613995064 has 16 divisors (see below), whose sum is σ = 1170754200. Its totient is φ = 301793952.

The previous prime is 613995061. The next prime is 613995071. The reversal of 613995064 is 460599316.

It is a self number, because there is not a number n which added to its sum of digits gives 613995064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613995061) 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, 649947 + ... + 650890.

Almost surely, 2^613995064 is an apocalyptic number.

It is an amenable number.

613995064 is a deficient number, since it is larger than the sum of its proper divisors (556759136).

613995064 is a wasteful number, since it uses less digits than its factorization.

613995064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300902 (or 1300898 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 613995064 is about 24778.9237861534. The cubic root of 613995064 is about 849.9400483668.

The spelling of 613995064 in words is "six hundred thirteen million, nine hundred ninety-five thousand, sixty-four".