498890107462657 has 2 divisors, whose sum is σ = 498890107462658. Its totient is φ = 498890107462656.

The previous prime is 498890107462631. The next prime is 498890107462693. The reversal of 498890107462657 is 756264701098894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493436205803776 + 5453901658881 = 22213424^2 + 2335359^2 .

It is a cyclic number.

It is not a de Polignac number, because 498890107462657 - 2¹⁹ = 498890106938369 is a prime.

It is not a weakly prime, because it can be changed into another prime (498890107462627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249445053731328 + 249445053731329.

It is an arithmetic number, because the mean of its divisors is an integer number (249445053731329).

Almost surely, 2^{498890107462657} is an apocalyptic number.

It is an amenable number.

498890107462657 is a deficient number, since it is larger than the sum of its proper divisors (1).

498890107462657 is an equidigital number, since it uses as much as digits as its factorization.

498890107462657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1463132160, while the sum is 76.

The spelling of 498890107462657 in words is "four hundred ninety-eight trillion, eight hundred ninety billion, one hundred seven million, four hundred sixty-two thousand, six hundred fifty-seven".