13597742938 has 8 divisors (see below), whose sum is σ = 21965584788. Its totient is φ = 6275881344.

The previous prime is 13597742909. The next prime is 13597742941. The reversal of 13597742938 is 83924779531.

It can be written as a sum of positive squares in 2 ways, for example, as 13590196929 + 7546009 = 116577^2 + 2747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13597742938² (a number of 21 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 3 ways as a sum of consecutive naturals, for example, 261495031 + ... + 261495082.

Almost surely, 2^13597742938 is an apocalyptic number.

13597742938 is a deficient number, since it is larger than the sum of its proper divisors (8367841850).

13597742938 is a wasteful number, since it uses less digits than its factorization.

13597742938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522990128.

The product of its digits is 11430720, while the sum is 58.

The spelling of 13597742938 in words is "thirteen billion, five hundred ninety-seven million, seven hundred forty-two thousand, nine hundred thirty-eight".