2909413972 has 12 divisors (see below), whose sum is σ = 5101932640. Its totient is φ = 1451718936.

The previous prime is 2909413961. The next prime is 2909413973. The reversal of 2909413972 is 2793149092.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909413973) 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, 744822 + ... + 748717.

Almost surely, 2^2909413972 is an apocalyptic number.

It is an amenable number.

2909413972 is a deficient number, since it is larger than the sum of its proper divisors (2192518668).

2909413972 is a wasteful number, since it uses less digits than its factorization.

2909413972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494030 (or 1494028 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2909413972 is about 53938.9837872387. The cubic root of 2909413972 is about 1427.5845528847.

The spelling of 2909413972 in words is "two billion, nine hundred nine million, four hundred thirteen thousand, nine hundred seventy-two".