1957563536 has 20 divisors (see below), whose sum is σ = 3873478272. Its totient is φ = 957956256.

The previous prime is 1957563493. The next prime is 1957563563. The reversal of 1957563536 is 6353657591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300820 + ... + 1302323.

Almost surely, 2^1957563536 is an apocalyptic number.

1957563536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1957563536 is a deficient number, since it is larger than the sum of its proper divisors (1915914736).

1957563536 is a wasteful number, since it uses less digits than its factorization.

1957563536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603198 (or 2603192 counting only the distinct ones).

The product of its digits is 2551500, while the sum is 50.

The square root of 1957563536 is about 44244.3616294777. The cubic root of 1957563536 is about 1250.9461713072.

The spelling of 1957563536 in words is "one billion, nine hundred fifty-seven million, five hundred sixty-three thousand, five hundred thirty-six".