13570657494 has 16 divisors (see below), whose sum is σ = 27142832640. Its totient is φ = 4523299560.

The previous prime is 13570657493. The next prime is 13570657519. The reversal of 13570657494 is 49475607531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13570657493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76899 + ... + 181809.

It is an arithmetic number, because the mean of its divisors is an integer number (1696427040).

Almost surely, 2^13570657494 is an apocalyptic number.

13570657494 is an abundant number, since it is smaller than the sum of its proper divisors (13572175146).

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

13570657494 is a wasteful number, since it uses less digits than its factorization.

13570657494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126475.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 13570657494 in words is "thirteen billion, five hundred seventy million, six hundred fifty-seven thousand, four hundred ninety-four".