2949155868 has 24 divisors (see below), whose sum is σ = 6895168000. Its totient is φ = 981079920.

The previous prime is 2949155857. The next prime is 2949155939. The reversal of 2949155868 is 8685519492.

It is a happy number.

It is a congruent number.

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, 240268 + ... + 252243.

Almost surely, 2^2949155868 is an apocalyptic number.

It is an amenable number.

2949155868 is an abundant number, since it is smaller than the sum of its proper divisors (3946012132).

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

2949155868 is a wasteful number, since it uses less digits than its factorization.

2949155868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493017 (or 493015 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 57.

The square root of 2949155868 is about 54306.1310350866. The cubic root of 2949155868 is about 1434.0553326416.

The spelling of 2949155868 in words is "two billion, nine hundred forty-nine million, one hundred fifty-five thousand, eight hundred sixty-eight".