13731974059 has 4 divisors (see below), whose sum is σ = 13732222240. Its totient is φ = 13731725880.

The previous prime is 13731974051. The next prime is 13731974107. The reversal of 13731974059 is 95047913731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13731974059 - 2³ = 13731974051 is a prime.

It is a super-2 number, since 2×13731974059² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13731974051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814 + ... + 165724.

It is an arithmetic number, because the mean of its divisors is an integer number (3433055560).

Almost surely, 2^13731974059 is an apocalyptic number.

13731974059 is a deficient number, since it is larger than the sum of its proper divisors (248181).

13731974059 is an equidigital number, since it uses as much as digits as its factorization.

13731974059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248180.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 13731974059 in words is "thirteen billion, seven hundred thirty-one million, nine hundred seventy-four thousand, fifty-nine".