497987850247 has 2 divisors, whose sum is σ = 497987850248. Its totient is φ = 497987850246.

The previous prime is 497987850197. The next prime is 497987850259. The reversal of 497987850247 is 742058789794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497987850247 - 2¹⁵ = 497987817479 is a prime.

It is a super-2 number, since 2×497987850247² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497987850047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248993925123 + 248993925124.

It is an arithmetic number, because the mean of its divisors is an integer number (248993925124).

Almost surely, 2^497987850247 is an apocalyptic number.

497987850247 is a deficient number, since it is larger than the sum of its proper divisors (1).

497987850247 is an equidigital number, since it uses as much as digits as its factorization.

497987850247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 284497920, while the sum is 70.

The spelling of 497987850247 in words is "four hundred ninety-seven billion, nine hundred eighty-seven million, eight hundred fifty thousand, two hundred forty-seven".