497954691 has 24 divisors (see below), whose sum is σ = 778050000. Its totient is φ = 305067456.

The previous prime is 497954689. The next prime is 497954693. The reversal of 497954691 is 196459794.

It is a happy number.

497954691 is a `hidden beast` number, since 4 + 9 + 7 + 9 + 546 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (497954689) and next prime (497954693).

It is not a de Polignac number, because 497954691 - 2¹ = 497954689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497954693) 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 23 ways as a sum of consecutive naturals, for example, 17185 + ... + 35933.

It is an arithmetic number, because the mean of its divisors is an integer number (32418750).

Almost surely, 2^497954691 is an apocalyptic number.

497954691 is a deficient number, since it is larger than the sum of its proper divisors (280095309).

497954691 is a wasteful number, since it uses less digits than its factorization.

497954691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995 (or 18992 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 497954691 is about 22314.8984089106. The cubic root of 497954691 is about 792.6168050559.

The spelling of 497954691 in words is "four hundred ninety-seven million, nine hundred fifty-four thousand, six hundred ninety-one".