5101421850 has 384 divisors, whose sum is σ = 17141760000. Its totient is φ = 1113013440.

The previous prime is 5101421839. The next prime is 5101421861. The reversal of 5101421850 is 581241015.

5101421850 is a `hidden beast` number, since 510 + 142 + 1 + 8 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5101421839) and next prime (5101421861).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10649911 + ... + 10650389.

It is an arithmetic number, because the mean of its divisors is an integer number (44640000).

Almost surely, 2^5101421850 is an apocalyptic number.

5101421850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5101421850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8570880000).

5101421850 is an abundant number, since it is smaller than the sum of its proper divisors (12040338150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5101421850 is a wasteful number, since it uses less digits than its factorization.

5101421850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 5101421850 is about 71424.2385328678. The cubic root of 5101421850 is about 1721.4605686923.

Adding to 5101421850 its reverse (581241015), we get a palindrome (5682662865).

The spelling of 5101421850 in words is "five billion, one hundred one million, four hundred twenty-one thousand, eight hundred fifty".