1957373379 has 36 divisors (see below), whose sum is σ = 3093328056. Its totient is φ = 1192029696.

The previous prime is 1957373359. The next prime is 1957373401. The reversal of 1957373379 is 9733737591.

It is a happy number.

1957373379 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1957373379 - 2⁸ = 1957373123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1957373329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 140904 + ... + 154170.

Almost surely, 2^1957373379 is an apocalyptic number.

1957373379 is a deficient number, since it is larger than the sum of its proper divisors (1135954677).

1957373379 is a wasteful number, since it uses less digits than its factorization.

1957373379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13396 (or 13380 counting only the distinct ones).

The product of its digits is 3750705, while the sum is 54.

The square root of 1957373379 is about 44242.2126368020. The cubic root of 1957373379 is about 1250.9056645123.

The spelling of 1957373379 in words is "one billion, nine hundred fifty-seven million, three hundred seventy-three thousand, three hundred seventy-nine".