1797634564 has 18 divisors (see below), whose sum is σ = 3457847582. Its totient is φ = 817106400.

The previous prime is 1797634547. The next prime is 1797634567. The reversal of 1797634564 is 4654367971.

It can be written as a sum of positive squares in only one way, i.e., 1146364164 + 651270400 = 33858^2 + 25520^2 .

It is not an unprimeable number, because it can be changed into a prime (1797634567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1856577 + ... + 1857544.

Almost surely, 2^1797634564 is an apocalyptic number.

It is an amenable number.

1797634564 is a deficient number, since it is larger than the sum of its proper divisors (1660213018).

1797634564 is a wasteful number, since it uses less digits than its factorization.

1797634564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714147 (or 3714134 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The square root of 1797634564 is about 42398.5207760837. The cubic root of 1797634564 is about 1215.9073114730.

The spelling of 1797634564 in words is "one billion, seven hundred ninety-seven million, six hundred thirty-four thousand, five hundred sixty-four".