613868773494 has 32 divisors (see below), whose sum is σ = 1239027609600. Its totient is φ = 202749782400.

The previous prime is 613868773493. The next prime is 613868773499. The reversal of 613868773494 is 494377868316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613868773493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778902 + ... + 1354409.

It is an arithmetic number, because the mean of its divisors is an integer number (38719612800).

Almost surely, 2^613868773494 is an apocalyptic number.

613868773494 is an abundant number, since it is smaller than the sum of its proper divisors (625158836106).

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

613868773494 is a wasteful number, since it uses less digits than its factorization.

613868773494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133756.

The product of its digits is 146313216, while the sum is 66.

The spelling of 613868773494 in words is "six hundred thirteen billion, eight hundred sixty-eight million, seven hundred seventy-three thousand, four hundred ninety-four".