497731889723 has 2 divisors, whose sum is σ = 497731889724. Its totient is φ = 497731889722.

The previous prime is 497731889653. The next prime is 497731889771. The reversal of 497731889723 is 327988137794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497731889723 - 2¹⁴ = 497731873339 is a prime.

It is not a weakly prime, because it can be changed into another prime (497731889623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248865944861 + 248865944862.

It is an arithmetic number, because the mean of its divisors is an integer number (248865944862).

Almost surely, 2^497731889723 is an apocalyptic number.

497731889723 is a deficient number, since it is larger than the sum of its proper divisors (1).

497731889723 is an equidigital number, since it uses as much as digits as its factorization.

497731889723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128024064, while the sum is 68.

The spelling of 497731889723 in words is "four hundred ninety-seven billion, seven hundred thirty-one million, eight hundred eighty-nine thousand, seven hundred twenty-three".