1900956916 has 12 divisors (see below), whose sum is σ = 3501762880. Its totient is φ = 900453240.

The previous prime is 1900956907. The next prime is 1900956929. The reversal of 1900956916 is 6196590091.

It is a super-2 number, since 2×1900956916² = 7227274392976462112, which contains 22 as substring.

It is a congruent number.

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, 12506220 + ... + 12506371.

Almost surely, 2^1900956916 is an apocalyptic number.

It is an amenable number.

1900956916 is a deficient number, since it is larger than the sum of its proper divisors (1600805964).

1900956916 is a wasteful number, since it uses less digits than its factorization.

1900956916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25012614 (or 25012612 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 1900956916 is about 43599.9646330132. The cubic root of 1900956916 is about 1238.7702245766.

The spelling of 1900956916 in words is "one billion, nine hundred million, nine hundred fifty-six thousand, nine hundred sixteen".