3612638996 has 6 divisors (see below), whose sum is σ = 6322118250. Its totient is φ = 1806319496.

The previous prime is 3612638987. The next prime is 3612639029. The reversal of 3612638996 is 6998362163.

It can be written as a sum of positive squares in only one way, i.e., 3006986896 + 605652100 = 54836^2 + 24610^2 .

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, 451579871 + ... + 451579878.

It is an arithmetic number, because the mean of its divisors is an integer number (1053686375).

Almost surely, 2^3612638996 is an apocalyptic number.

It is an amenable number.

3612638996 is a deficient number, since it is larger than the sum of its proper divisors (2709479254).

3612638996 is a wasteful number, since it uses less digits than its factorization.

3612638996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903159753 (or 903159751 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The square root of 3612638996 is about 60105.2326840185. The cubic root of 3612638996 is about 1534.4103591062.

The spelling of 3612638996 in words is "three billion, six hundred twelve million, six hundred thirty-eight thousand, nine hundred ninety-six".