1957104399 has 16 divisors (see below), whose sum is σ = 2657750400. Its totient is φ = 1280665056.

The previous prime is 1957104397. The next prime is 1957104403. The reversal of 1957104399 is 9934017591.

It is not a de Polignac number, because 1957104399 - 2¹ = 1957104397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957104397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112797 + ... + 128985.

It is an arithmetic number, because the mean of its divisors is an integer number (166109400).

Almost surely, 2^1957104399 is an apocalyptic number.

1957104399 is a deficient number, since it is larger than the sum of its proper divisors (700646001).

1957104399 is a wasteful number, since it uses less digits than its factorization.

1957104399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16934.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 1957104399 is about 44239.1726753564. The cubic root of 1957104399 is about 1250.8483625479.

The spelling of 1957104399 in words is "one billion, nine hundred fifty-seven million, one hundred four thousand, three hundred ninety-nine".