3645163613 has 64 divisors (see below), whose sum is σ = 5074513920. Its totient is φ = 2535321600.

The previous prime is 3645163601. The next prime is 3645163633. The reversal of 3645163613 is 3163615463.

It is not a de Polignac number, because 3645163613 - 2⁴ = 3645163597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645163633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1389443 + ... + 1392063.

It is an arithmetic number, because the mean of its divisors is an integer number (79289280).

Almost surely, 2^3645163613 is an apocalyptic number.

It is an amenable number.

3645163613 is a deficient number, since it is larger than the sum of its proper divisors (1429350307).

3645163613 is a wasteful number, since it uses less digits than its factorization.

3645163613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718.

The product of its digits is 116640, while the sum is 38.

The square root of 3645163613 is about 60375.1903765114. The cubic root of 3645163613 is about 1539.0013783554.

The spelling of 3645163613 in words is "three billion, six hundred forty-five million, one hundred sixty-three thousand, six hundred thirteen".