3149957192 has 12 divisors (see below), whose sum is σ = 5906467395. Its totient is φ = 1574899224.

The previous prime is 3149957191. The next prime is 3149957207. The reversal of 3149957192 is 2917599413.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1574978596 + 1574978596 = 39686^2 + 39686^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=39686.

It is a super-2 number, since 2×3149957192² = 19844460622865049728, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3149957192.

It is not an unprimeable number, because it can be changed into a prime (3149957191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148823 + ... + 168665.

Almost surely, 2^3149957192 is an apocalyptic number.

It is an amenable number.

3149957192 is a deficient number, since it is larger than the sum of its proper divisors (2756510203).

3149957192 is an frugal number, since it uses more digits than its factorization.

3149957192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39692 (or 19845 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 3149957192 is about 56124.4794363387. The cubic root of 3149957192 is about 1465.8905684114.

Multiplying 3149957192 by its sum of digits (50), we get a square (157497859600 = 396860²).

The spelling of 3149957192 in words is "three billion, one hundred forty-nine million, nine hundred fifty-seven thousand, one hundred ninety-two".