1957317434 has 16 divisors (see below), whose sum is σ = 3079036800. Its totient is φ = 931399920.

The previous prime is 1957317407. The next prime is 1957317443. The reversal of 1957317434 is 4347137591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97757 + ... + 116064.

It is an arithmetic number, because the mean of its divisors is an integer number (192439800).

Almost surely, 2^1957317434 is an apocalyptic number.

1957317434 is a deficient number, since it is larger than the sum of its proper divisors (1121719366).

1957317434 is a wasteful number, since it uses less digits than its factorization.

1957317434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214045.

The product of its digits is 317520, while the sum is 44.

The square root of 1957317434 is about 44241.5803741232. The cubic root of 1957317434 is about 1250.8937467411.

The spelling of 1957317434 in words is "one billion, nine hundred fifty-seven million, three hundred seventeen thousand, four hundred thirty-four".