3613609646 has 8 divisors (see below), whose sum is σ = 5494666944. Its totient is φ = 1782054000.

The previous prime is 3613609633. The next prime is 3613609651. The reversal of 3613609646 is 6469063163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3613609597 and 3613609606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12375230 + ... + 12375521.

It is an arithmetic number, because the mean of its divisors is an integer number (686833368).

Almost surely, 2^3613609646 is an apocalyptic number.

3613609646 is a deficient number, since it is larger than the sum of its proper divisors (1881057298).

3613609646 is a wasteful number, since it uses less digits than its factorization.

3613609646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24750826.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 3613609646 is about 60113.3067298747. The cubic root of 3613609646 is about 1534.5477694635.

The spelling of 3613609646 in words is "three billion, six hundred thirteen million, six hundred nine thousand, six hundred forty-six".