497654820892 has 12 divisors (see below), whose sum is σ = 871182342576. Its totient is φ = 248745580160.

The previous prime is 497654820863. The next prime is 497654820893. The reversal of 497654820892 is 298028456794.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497654820893) 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, 20443888 + ... + 20468215.

It is an arithmetic number, because the mean of its divisors is an integer number (72598528548).

Almost surely, 2^497654820892 is an apocalyptic number.

It is an amenable number.

497654820892 is a deficient number, since it is larger than the sum of its proper divisors (373527521684).

497654820892 is a wasteful number, since it uses less digits than its factorization.

497654820892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40915148 (or 40915146 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 497654820892 in words is "four hundred ninety-seven billion, six hundred fifty-four million, eight hundred twenty thousand, eight hundred ninety-two".