3613613968 has 20 divisors (see below), whose sum is σ = 7002451120. Its totient is φ = 1806529824.

The previous prime is 3613613957. The next prime is 3613613987. The reversal of 3613613968 is 8693163163.

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, 126343 + ... + 152281.

It is an arithmetic number, because the mean of its divisors is an integer number (350122556).

Almost surely, 2^3613613968 is an apocalyptic number.

It is an amenable number.

3613613968 is a deficient number, since it is larger than the sum of its proper divisors (3388837152).

3613613968 is a wasteful number, since it uses less digits than its factorization.

3613613968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34654 (or 34648 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 3613613968 is about 60113.3426786433. The cubic root of 3613613968 is about 1534.5483812537.

The spelling of 3613613968 in words is "three billion, six hundred thirteen million, six hundred thirteen thousand, nine hundred sixty-eight".