2613929972 has 12 divisors (see below), whose sum is σ = 4698009540. Its totient is φ = 1271641536.

The previous prime is 2613929963. The next prime is 2613929999. The reversal of 2613929972 is 2799293162.

It can be written as a sum of positive squares in 2 ways, for example, as 1519908196 + 1094021776 = 38986^2 + 33076^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2613929972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8830697 + ... + 8830992.

It is an arithmetic number, because the mean of its divisors is an integer number (391500795).

Almost surely, 2^2613929972 is an apocalyptic number.

It is an amenable number.

2613929972 is a deficient number, since it is larger than the sum of its proper divisors (2084079568).

2613929972 is a wasteful number, since it uses less digits than its factorization.

2613929972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661730 (or 17661728 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 2613929972 is about 51126.6072803584. The cubic root of 2613929972 is about 1377.5202214416.

The spelling of 2613929972 in words is "two billion, six hundred thirteen million, nine hundred twenty-nine thousand, nine hundred seventy-two".