5613645612 has 12 divisors (see below), whose sum is σ = 13098506456. Its totient is φ = 1871215200.

The previous prime is 5613645607. The next prime is 5613645613. The reversal of 5613645612 is 2165463165.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5613645613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233901889 + ... + 233901912.

Almost surely, 2^5613645612 is an apocalyptic number.

It is an amenable number.

5613645612 is an abundant number, since it is smaller than the sum of its proper divisors (7484860844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5613645612 is a wasteful number, since it uses less digits than its factorization.

5613645612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467803808 (or 467803806 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 5613645612 is about 74924.2658422490. The cubic root of 5613645612 is about 1777.2492136901.

The spelling of 5613645612 in words is "five billion, six hundred thirteen million, six hundred forty-five thousand, six hundred twelve".