1957333833138 has 32 divisors (see below), whose sum is σ = 4085038365696. Its totient is φ = 624051824528.

The previous prime is 1957333833113. The next prime is 1957333833179. The reversal of 1957333833138 is 8313383337591.

It is a Curzon 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, 3235381 + ... + 3792407.

It is an arithmetic number, because the mean of its divisors is an integer number (127657448928).

Almost surely, 2^{1957333833138} is an apocalyptic number.

1957333833138 is an abundant number, since it is smaller than the sum of its proper divisors (2127704532558).

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

1957333833138 is a wasteful number, since it uses less digits than its factorization.

1957333833138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582518.

The product of its digits is 14696640, while the sum is 57.

The spelling of 1957333833138 in words is "one trillion, nine hundred fifty-seven billion, three hundred thirty-three million, eight hundred thirty-three thousand, one hundred thirty-eight".