1864536704 has 16 divisors (see below), whose sum is σ = 3714506970. Its totient is φ = 932268288.

The previous prime is 1864536697. The next prime is 1864536721. The reversal of 1864536704 is 4076354681.

It can be written as a sum of positive squares in only one way, i.e., 1180609600 + 683927104 = 34360^2 + 26152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7283219 + ... + 7283474.

Almost surely, 2^1864536704 is an apocalyptic number.

It is an amenable number.

1864536704 is a deficient number, since it is larger than the sum of its proper divisors (1849970266).

1864536704 is an equidigital number, since it uses as much as digits as its factorization.

1864536704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566707 (or 14566695 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 1864536704 is about 43180.2814256693. The cubic root of 1864536704 is about 1230.8080054579.

The spelling of 1864536704 in words is "one billion, eight hundred sixty-four million, five hundred thirty-six thousand, seven hundred four".