1902864068 has 12 divisors (see below), whose sum is σ = 3805728192. Its totient is φ = 815513160.

The previous prime is 1902864031. The next prime is 1902864071. The reversal of 1902864068 is 8604682091.

It is a happy number.

1902864068 is an admirable number.

It is a super-2 number, since 2×1902864068² = 7241783322571017248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33979688 + ... + 33979743.

It is an arithmetic number, because the mean of its divisors is an integer number (317144016).

Almost surely, 2^1902864068 is an apocalyptic number.

It is an amenable number.

1902864068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1902864068 is a wasteful number, since it uses less digits than its factorization.

1902864068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67959442 (or 67959440 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1902864068 is about 43621.8301771028. The cubic root of 1902864068 is about 1239.1843552104.

The spelling of 1902864068 in words is "one billion, nine hundred two million, eight hundred sixty-four thousand, sixty-eight".