1902971316 has 12 divisors (see below), whose sum is σ = 4440266432. Its totient is φ = 634323768.

The previous prime is 1902971303. The next prime is 1902971327. The reversal of 1902971316 is 6131792091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 79290460 + ... + 79290483.

Almost surely, 2^1902971316 is an apocalyptic number.

It is an amenable number.

1902971316 is an abundant number, since it is smaller than the sum of its proper divisors (2537295116).

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

1902971316 is a wasteful number, since it uses less digits than its factorization.

1902971316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158580950 (or 158580948 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1902971316 is about 43623.0594525418. The cubic root of 1902971316 is about 1239.2076354767.

The spelling of 1902971316 in words is "one billion, nine hundred two million, nine hundred seventy-one thousand, three hundred sixteen".