497239911 has 32 divisors (see below), whose sum is σ = 843563520. Its totient is φ = 283571712.

The previous prime is 497239877. The next prime is 497239913. The reversal of 497239911 is 119932794.

It is not a de Polignac number, because 497239911 - 2¹³ = 497231719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497239913) 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 31 ways as a sum of consecutive naturals, for example, 104071 + ... + 108743.

It is an arithmetic number, because the mean of its divisors is an integer number (26361360).

Almost surely, 2^497239911 is an apocalyptic number.

497239911 is a deficient number, since it is larger than the sum of its proper divisors (346323609).

497239911 is a wasteful number, since it uses less digits than its factorization.

497239911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5246 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 497239911 is about 22298.8768999696. The cubic root of 497239911 is about 792.2373743257.

The spelling of 497239911 in words is "four hundred ninety-seven million, two hundred thirty-nine thousand, nine hundred eleven".