496623139 has 4 divisors (see below), whose sum is σ = 510045424. Its totient is φ = 483200856.

The previous prime is 496623137. The next prime is 496623187. The reversal of 496623139 is 931326694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931326694 = 2 ⋅465663347.

It is a cyclic number.

It is not a de Polignac number, because 496623139 - 2¹ = 496623137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 496623095 and 496623104.

It is not an unprimeable number, because it can be changed into a prime (496623137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6711087 + ... + 6711160.

It is an arithmetic number, because the mean of its divisors is an integer number (127511356).

Almost surely, 2^496623139 is an apocalyptic number.

496623139 is a deficient number, since it is larger than the sum of its proper divisors (13422285).

496623139 is a wasteful number, since it uses less digits than its factorization.

496623139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422284.

The product of its digits is 209952, while the sum is 43.

The square root of 496623139 is about 22285.0429436427. The cubic root of 496623139 is about 791.9096773803.

The spelling of 496623139 in words is "four hundred ninety-six million, six hundred twenty-three thousand, one hundred thirty-nine".