5149866214920 has 384 divisors, whose sum is σ = 18768895430400. Its totient is φ = 1107132923904.

The previous prime is 5149866214873. The next prime is 5149866214939. The reversal of 5149866214920 is 294126689415.

It is a happy number.

It is a super-2 number, since 2×5149866214920² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 414870634 + ... + 414883046.

It is an arithmetic number, because the mean of its divisors is an integer number (48877331850).

Almost surely, 2^{5149866214920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149866214920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9384447715200).

5149866214920 is an abundant number, since it is smaller than the sum of its proper divisors (13619029215480).

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

5149866214920 is a wasteful number, since it uses less digits than its factorization.

5149866214920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177 (or 14156 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 5149866214920 in words is "five trillion, one hundred forty-nine billion, eight hundred sixty-six million, two hundred fourteen thousand, nine hundred twenty".