5299938625681 has 12 divisors (see below), whose sum is σ = 6170317430772. Its totient is φ = 4539059386848.

The previous prime is 5299938625669. The next prime is 5299938625699. The reversal of 5299938625681 is 1865268399925.

It can be written as a sum of positive squares in 2 ways, for example, as 101835021456 + 5198103604225 = 319116^2 + 2279935^2 .

It is not a de Polignac number, because 5299938625681 - 2²¹ = 5299936528529 is a prime.

It is a super-2 number, since 2×5299938625681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5299938625661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44525070 + ... + 44643943.

It is an arithmetic number, because the mean of its divisors is an integer number (514193119231).

Almost surely, 2^{5299938625681} is an apocalyptic number.

It is an amenable number.

5299938625681 is a deficient number, since it is larger than the sum of its proper divisors (870378805091).

5299938625681 is a wasteful number, since it uses less digits than its factorization.

5299938625681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89170240 (or 89170233 counting only the distinct ones).

The product of its digits is 503884800, while the sum is 73.

The spelling of 5299938625681 in words is "five trillion, two hundred ninety-nine billion, nine hundred thirty-eight million, six hundred twenty-five thousand, six hundred eighty-one".