68556369494 has 8 divisors (see below), whose sum is σ = 102837150408. Its totient is φ = 34277319360.

The previous prime is 68556369481. The next prime is 68556369509. The reversal of 68556369494 is 49496365586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68556369494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328667 + ... + 495110.

It is an arithmetic number, because the mean of its divisors is an integer number (12854643801).

Almost surely, 2^68556369494 is an apocalyptic number.

68556369494 is a deficient number, since it is larger than the sum of its proper divisors (34280780914).

68556369494 is a wasteful number, since it uses less digits than its factorization.

68556369494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865390.

The product of its digits is 167961600, while the sum is 65.

The spelling of 68556369494 in words is "sixty-eight billion, five hundred fifty-six million, three hundred sixty-nine thousand, four hundred ninety-four".