3149299492 has 12 divisors (see below), whose sum is σ = 5516721756. Its totient is φ = 1573093280.

The previous prime is 3149299481. The next prime is 3149299513. The reversal of 3149299492 is 2949929413.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 3093139456 = 7494^2 + 55616^2 .

It is a super-2 number, since 2×3149299492² = 19836174580622916128, 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, 384559 + ... + 392662.

It is an arithmetic number, because the mean of its divisors is an integer number (459726813).

Almost surely, 2^3149299492 is an apocalyptic number.

It is an amenable number.

3149299492 is a deficient number, since it is larger than the sum of its proper divisors (2367422264).

3149299492 is a wasteful number, since it uses less digits than its factorization.

3149299492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778238 (or 778236 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 3149299492 is about 56118.6198333494. The cubic root of 3149299492 is about 1465.7885370421.

The spelling of 3149299492 in words is "three billion, one hundred forty-nine million, two hundred ninety-nine thousand, four hundred ninety-two".