2909134672 has 10 divisors (see below), whose sum is σ = 5636448458. Its totient is φ = 1454567328.

The previous prime is 2909134667. The next prime is 2909134687. The reversal of 2909134672 is 2764319092.

It can be written as a sum of positive squares in only one way, i.e., 2683654416 + 225480256 = 51804^2 + 15016^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90910443 + ... + 90910474.

Almost surely, 2^2909134672 is an apocalyptic number.

It is an amenable number.

2909134672 is a deficient number, since it is larger than the sum of its proper divisors (2727313786).

2909134672 is a wasteful number, since it uses less digits than its factorization.

2909134672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181820925 (or 181820919 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2909134672 is about 53936.3946885589. The cubic root of 2909134672 is about 1427.5388693291.

The spelling of 2909134672 in words is "two billion, nine hundred nine million, one hundred thirty-four thousand, six hundred seventy-two".