2949609136 has 20 divisors (see below), whose sum is σ = 5715723952. Its totient is φ = 1474583616.

The previous prime is 2949609133. The next prime is 2949609137. The reversal of 2949609136 is 6319069492.

It is a self number, because there is not a number n which added to its sum of digits gives 2949609136.

It is not an unprimeable number, because it can be changed into a prime (2949609133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172426 + ... + 188758.

Almost surely, 2^2949609136 is an apocalyptic number.

It is an amenable number.

2949609136 is a deficient number, since it is larger than the sum of its proper divisors (2766114816).

2949609136 is a wasteful number, since it uses less digits than its factorization.

2949609136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27628 (or 27622 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 2949609136 is about 54310.3041420318. The cubic root of 2949609136 is about 1434.1287975157.

The spelling of 2949609136 in words is "two billion, nine hundred forty-nine million, six hundred nine thousand, one hundred thirty-six".