2909745904 has 40 divisors (see below), whose sum is σ = 6112108800. Its totient is φ = 1333932288.

The previous prime is 2909745869. The next prime is 2909745913. The reversal of 2909745904 is 4095479092.

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, 15952 + ... + 77935.

It is an arithmetic number, because the mean of its divisors is an integer number (152802720).

Almost surely, 2^2909745904 is an apocalyptic number.

It is an amenable number.

2909745904 is an abundant number, since it is smaller than the sum of its proper divisors (3202362896).

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

2909745904 is a wasteful number, since it uses less digits than its factorization.

2909745904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94057 (or 94051 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2909745904 is about 53942.0606206326. The cubic root of 2909745904 is about 1427.6388413635.

The spelling of 2909745904 in words is "two billion, nine hundred nine million, seven hundred forty-five thousand, nine hundred four".