17957349718 has 32 divisors (see below), whose sum is σ = 33597607680. Its totient is φ = 6993238560.

The previous prime is 17957349701. The next prime is 17957349721. The reversal of 17957349718 is 81794375971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335280 + ... + 385132.

It is an arithmetic number, because the mean of its divisors is an integer number (1049925240).

Almost surely, 2^17957349718 is an apocalyptic number.

17957349718 is a deficient number, since it is larger than the sum of its proper divisors (15640257962).

17957349718 is a wasteful number, since it uses less digits than its factorization.

17957349718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52212.

The product of its digits is 13335840, while the sum is 61.

The spelling of 17957349718 in words is "seventeen billion, nine hundred fifty-seven million, three hundred forty-nine thousand, seven hundred eighteen".