613420264 has 8 divisors (see below), whose sum is σ = 1150163010. Its totient is φ = 306710128.

The previous prime is 613420261. The next prime is 613420271. The reversal of 613420264 is 462024316.

It can be written as a sum of positive squares in only one way, i.e., 578017764 + 35402500 = 24042^2 + 5950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (613420261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38338759 + ... + 38338774.

Almost surely, 2^613420264 is an apocalyptic number.

It is an amenable number.

613420264 is a deficient number, since it is larger than the sum of its proper divisors (536742746).

613420264 is a wasteful number, since it uses less digits than its factorization.

613420264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76677539 (or 76677535 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 613420264 is about 24767.3225036539. The cubic root of 613420264 is about 849.6747378343.

The spelling of 613420264 in words is "six hundred thirteen million, four hundred twenty thousand, two hundred sixty-four".