3608928964645 has 4 divisors (see below), whose sum is σ = 4330714757580. Its totient is φ = 2887143171712.

The previous prime is 3608928964637. The next prime is 3608928964723. The reversal of 3608928964645 is 5464698298063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1376851132449 + 2232077832196 = 1173393^2 + 1494014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3608928964645 - 2³ = 3608928964637 is a prime.

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, 360892896460 + ... + 360892896469.

It is an arithmetic number, because the mean of its divisors is an integer number (1082678689395).

Almost surely, 2^{3608928964645} is an apocalyptic number.

It is an amenable number.

3608928964645 is a deficient number, since it is larger than the sum of its proper divisors (721785792935).

3608928964645 is an equidigital number, since it uses as much as digits as its factorization.

3608928964645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721785792934.

The product of its (nonzero) digits is 537477120, while the sum is 70.

The spelling of 3608928964645 in words is "three trillion, six hundred eight billion, nine hundred twenty-eight million, nine hundred sixty-four thousand, six hundred forty-five".