3645102864 has 60 divisors (see below), whose sum is σ = 10196604816. Its totient is φ = 1121567616.

The previous prime is 3645102847. The next prime is 3645102869. The reversal of 3645102864 is 4682015463.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3645102869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216562 + ... + 232785.

Almost surely, 2^3645102864 is an apocalyptic number.

It is an amenable number.

3645102864 is an abundant number, since it is smaller than the sum of its proper divisors (6551501952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645102864 is a wasteful number, since it uses less digits than its factorization.

3645102864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449384 (or 449365 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 3645102864 is about 60374.6872786932. The cubic root of 3645102864 is about 1538.9928288248.

The spelling of 3645102864 in words is "three billion, six hundred forty-five million, one hundred two thousand, eight hundred sixty-four".