497816659 has 2 divisors, whose sum is σ = 497816660. Its totient is φ = 497816658.

The previous prime is 497816597. The next prime is 497816677. The reversal of 497816659 is 956618794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497816659 - 2¹⁹ = 497292371 is a prime.

It is not a weakly prime, because it can be changed into another prime (492816659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248908329 + 248908330.

It is an arithmetic number, because the mean of its divisors is an integer number (248908330).

Almost surely, 2^497816659 is an apocalyptic number.

497816659 is a deficient number, since it is larger than the sum of its proper divisors (1).

497816659 is an equidigital number, since it uses as much as digits as its factorization.

497816659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 497816659 is about 22311.8053729410. The cubic root of 497816659 is about 792.5435610470.

The spelling of 497816659 in words is "four hundred ninety-seven million, eight hundred sixteen thousand, six hundred fifty-nine".