496157639 has 4 divisors (see below), whose sum is σ = 496218840. Its totient is φ = 496096440.

The previous prime is 496157611. The next prime is 496157657. The reversal of 496157639 is 936751694.

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-496157639 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 (496157339) 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, 16172 + ... + 35409.

It is an arithmetic number, because the mean of its divisors is an integer number (124054710).

Almost surely, 2^496157639 is an apocalyptic number.

496157639 is a deficient number, since it is larger than the sum of its proper divisors (61201).

496157639 is an equidigital number, since it uses as much as digits as its factorization.

496157639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61200.

The product of its digits is 1224720, while the sum is 50.

The square root of 496157639 is about 22274.5962701908. The cubic root of 496157639 is about 791.6621730099.

The spelling of 496157639 in words is "four hundred ninety-six million, one hundred fifty-seven thousand, six hundred thirty-nine".