3155709946 has 16 divisors (see below), whose sum is σ = 4865750280. Its totient is φ = 1533867840.

The previous prime is 3155709857. The next prime is 3155709967. The reversal of 3155709946 is 6499075513.

It can be written as a sum of positive squares in 4 ways, for example, as 2537640625 + 618069321 = 50375^2 + 24861^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3155709946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69340 + ... + 105448.

Almost surely, 2^3155709946 is an apocalyptic number.

3155709946 is a deficient number, since it is larger than the sum of its proper divisors (1710040334).

3155709946 is a wasteful number, since it uses less digits than its factorization.

3155709946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37329.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 3155709946 is about 56175.7060124748. The cubic root of 3155709946 is about 1466.7824090363.

The spelling of 3155709946 in words is "three billion, one hundred fifty-five million, seven hundred nine thousand, nine hundred forty-six".