497115819 has 64 divisors (see below), whose sum is σ = 809740800. Its totient is φ = 300174336.

The previous prime is 497115811. The next prime is 497115821. The reversal of 497115819 is 918511794.

It is a happy number.

497115819 is a `hidden beast` number, since 497 + 1 + 158 + 1 + 9 = 666.

It is not a de Polignac number, because 497115819 - 2³ = 497115811 is a prime.

It is a super-2 number, since 2×497115819² = 494248275000081522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497115811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1756452 + ... + 1756734.

It is an arithmetic number, because the mean of its divisors is an integer number (12652200).

Almost surely, 2^497115819 is an apocalyptic number.

497115819 is a deficient number, since it is larger than the sum of its proper divisors (312624981).

497115819 is a wasteful number, since it uses less digits than its factorization.

497115819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 497115819 is about 22296.0942543756. The cubic root of 497115819 is about 792.1714648272.

The spelling of 497115819 in words is "four hundred ninety-seven million, one hundred fifteen thousand, eight hundred nineteen".