613428694 has 4 divisors (see below), whose sum is σ = 920143044. Its totient is φ = 306714346.

The previous prime is 613428637. The next prime is 613428701. The reversal of 613428694 is 496824316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 613428694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153357172 + ... + 153357175.

It is an arithmetic number, because the mean of its divisors is an integer number (230035761).

Almost surely, 2^613428694 is an apocalyptic number.

613428694 is a deficient number, since it is larger than the sum of its proper divisors (306714350).

613428694 is a wasteful number, since it uses less digits than its factorization.

613428694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306714349.

The product of its digits is 248832, while the sum is 43.

The square root of 613428694 is about 24767.4926869879. The cubic root of 613428694 is about 849.6786300681.

The spelling of 613428694 in words is "six hundred thirteen million, four hundred twenty-eight thousand, six hundred ninety-four".