1957416836 has 12 divisors (see below), whose sum is σ = 3428129628. Its totient is φ = 977951232.

The previous prime is 1957416779. The next prime is 1957416913. The reversal of 1957416836 is 6386147591.

It can be written as a sum of positive squares in 2 ways, for example, as 1836636736 + 120780100 = 42856^2 + 10990^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183461 + ... + 193836.

It is an arithmetic number, because the mean of its divisors is an integer number (285677469).

Almost surely, 2^1957416836 is an apocalyptic number.

It is an amenable number.

1957416836 is a deficient number, since it is larger than the sum of its proper divisors (1470712792).

1957416836 is a wasteful number, since it uses less digits than its factorization.

1957416836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378598 (or 378596 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 1957416836 is about 44242.7037600552. The cubic root of 1957416836 is about 1250.9149218510.

The spelling of 1957416836 in words is "one billion, nine hundred fifty-seven million, four hundred sixteen thousand, eight hundred thirty-six".