1902664468 has 24 divisors (see below), whose sum is σ = 3431812832. Its totient is φ = 922329504.

The previous prime is 1902664457. The next prime is 1902664469. The reversal of 1902664468 is 8644662091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902664469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19171 + ... + 64597.

Almost surely, 2^1902664468 is an apocalyptic number.

It is an amenable number.

1902664468 is a deficient number, since it is larger than the sum of its proper divisors (1529148364).

1902664468 is a wasteful number, since it uses less digits than its factorization.

1902664468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45751 (or 45749 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1902664468 is about 43619.5422717846. The cubic root of 1902664468 is about 1239.1410258154.

The spelling of 1902664468 in words is "one billion, nine hundred two million, six hundred sixty-four thousand, four hundred sixty-eight".