613157804351 has 4 divisors (see below), whose sum is σ = 613159622712. Its totient is φ = 613155985992.

The previous prime is 613157804317. The next prime is 613157804377. The reversal of 613157804351 is 153408751316.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613157804351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613157864351) 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, 238421 + ... + 1132766.

It is an arithmetic number, because the mean of its divisors is an integer number (153289905678).

Almost surely, 2^613157804351 is an apocalyptic number.

613157804351 is a deficient number, since it is larger than the sum of its proper divisors (1818361).

613157804351 is a wasteful number, since it uses less digits than its factorization.

613157804351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818360.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 613157804351 in words is "six hundred thirteen billion, one hundred fifty-seven million, eight hundred four thousand, three hundred fifty-one".