3149642864 has 20 divisors (see below), whose sum is σ = 6106280304. Its totient is φ = 1573828608.

The previous prime is 3149642851. The next prime is 3149642893. The reversal of 3149642864 is 4682469413.

It is a super-2 number, since 2×3149642864² = 19840500341492244992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 35537 + ... + 86960.

Almost surely, 2^3149642864 is an apocalyptic number.

It is an amenable number.

3149642864 is a deficient number, since it is larger than the sum of its proper divisors (2956637440).

3149642864 is a wasteful number, since it uses less digits than its factorization.

3149642864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124112 (or 124106 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 3149642864 is about 56121.6790910607. The cubic root of 3149642864 is about 1465.8418073489.

The spelling of 3149642864 in words is "three billion, one hundred forty-nine million, six hundred forty-two thousand, eight hundred sixty-four".