497866521436 has 24 divisors (see below), whose sum is σ = 901367550720. Its totient is φ = 240334030272.

The previous prime is 497866521421. The next prime is 497866521437. The reversal of 497866521436 is 634125668794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497866521437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809070 + ... + 2066026.

It is an arithmetic number, because the mean of its divisors is an integer number (37556981280).

Almost surely, 2^497866521436 is an apocalyptic number.

It is an amenable number.

497866521436 is a deficient number, since it is larger than the sum of its proper divisors (403501029284).

497866521436 is a wasteful number, since it uses less digits than its factorization.

497866521436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273693 (or 273691 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 497866521436 in words is "four hundred ninety-seven billion, eight hundred sixty-six million, five hundred twenty-one thousand, four hundred thirty-six".