496721312615 has 24 divisors (see below), whose sum is σ = 656104172640. Its totient is φ = 360742029120.

The previous prime is 496721312611. The next prime is 496721312627. The reversal of 496721312615 is 516213127694.

It is a happy number.

It is not a de Polignac number, because 496721312615 - 2² = 496721312611 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 496721312615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496721312611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150059 + ... + 1007948.

It is an arithmetic number, because the mean of its divisors is an integer number (27337673860).

Almost surely, 2^496721312615 is an apocalyptic number.

496721312615 is a deficient number, since it is larger than the sum of its proper divisors (159382860025).

496721312615 is a wasteful number, since it uses less digits than its factorization.

496721312615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158743 (or 1158732 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 496721312615 in words is "four hundred ninety-six billion, seven hundred twenty-one million, three hundred twelve thousand, six hundred fifteen".