497215487999 has 2 divisors, whose sum is σ = 497215488000. Its totient is φ = 497215487998.

The previous prime is 497215487981. The next prime is 497215488013. The reversal of 497215487999 is 999784512794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497215487999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497215417999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248607743999 + 248607744000.

It is an arithmetic number, because the mean of its divisors is an integer number (248607744000).

Almost surely, 2^497215487999 is an apocalyptic number.

497215487999 is a deficient number, since it is larger than the sum of its proper divisors (1).

497215487999 is an equidigital number, since it uses as much as digits as its factorization.

497215487999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411505920, while the sum is 74.

The spelling of 497215487999 in words is "four hundred ninety-seven billion, two hundred fifteen million, four hundred eighty-seven thousand, nine hundred ninety-nine".