5185010421 has 32 divisors (see below), whose sum is σ = 8212389120. Its totient is φ = 3221724672.

The previous prime is 5185010419. The next prime is 5185010423. The reversal of 5185010421 is 1240105815.

It is an interprime number because it is at equal distance from previous prime (5185010419) and next prime (5185010423).

It is not a de Polignac number, because 5185010421 - 2¹ = 5185010419 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185010423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7560 + ... + 102113.

It is an arithmetic number, because the mean of its divisors is an integer number (256637160).

Almost surely, 2^5185010421 is an apocalyptic number.

5185010421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5185010421 is a deficient number, since it is larger than the sum of its proper divisors (3027378699).

5185010421 is a wasteful number, since it uses less digits than its factorization.

5185010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109802 (or 109796 counting only the distinct ones).

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

The square root of 5185010421 is about 72007.0164706190. The cubic root of 5185010421 is about 1730.8119214509.

The spelling of 5185010421 in words is "five billion, one hundred eighty-five million, ten thousand, four hundred twenty-one".