3149991980 has 24 divisors (see below), whose sum is σ = 6618205440. Its totient is φ = 1259383040.

The previous prime is 3149991973. The next prime is 3149991991. The reversal of 3149991980 is 891999413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4916 + ... + 79524.

It is an arithmetic number, because the mean of its divisors is an integer number (275758560).

Almost surely, 2^3149991980 is an apocalyptic number.

It is an amenable number.

3149991980 is an abundant number, since it is smaller than the sum of its proper divisors (3468213460).

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

3149991980 is a wasteful number, since it uses less digits than its factorization.

3149991980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76729 (or 76727 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 3149991980 is about 56124.7893537250. The cubic root of 3149991980 is about 1465.8959648036.

The spelling of 3149991980 in words is "three billion, one hundred forty-nine million, nine hundred ninety-one thousand, nine hundred eighty".