497444477239 has 4 divisors (see below), whose sum is σ = 497691841000. Its totient is φ = 497197113480.

The previous prime is 497444477213. The next prime is 497444477251. The reversal of 497444477239 is 932774444794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 497444477239 - 2³⁵ = 463084738871 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 (497444474239) 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, 123678864 + ... + 123682885.

It is an arithmetic number, because the mean of its divisors is an integer number (124422960250).

Almost surely, 2^497444477239 is an apocalyptic number.

497444477239 is a deficient number, since it is larger than the sum of its proper divisors (247363761).

497444477239 is a wasteful number, since it uses less digits than its factorization.

497444477239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247363760.

The product of its digits is 170698752, while the sum is 64.

The spelling of 497444477239 in words is "four hundred ninety-seven billion, four hundred forty-four million, four hundred seventy-seven thousand, two hundred thirty-nine".