498352571909 has 2 divisors, whose sum is σ = 498352571910. Its totient is φ = 498352571908.

The previous prime is 498352571897. The next prime is 498352572007. The reversal of 498352571909 is 909175253894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490871186884 + 7481385025 = 700622^2 + 86495^2 .

It is a cyclic number.

It is not a de Polignac number, because 498352571909 - 2²⁰ = 498351523333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498352577909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249176285954 + 249176285955.

It is an arithmetic number, because the mean of its divisors is an integer number (249176285955).

Almost surely, 2^498352571909 is an apocalyptic number.

It is an amenable number.

498352571909 is a deficient number, since it is larger than the sum of its proper divisors (1).

498352571909 is an equidigital number, since it uses as much as digits as its factorization.

498352571909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 498352571909 in words is "four hundred ninety-eight billion, three hundred fifty-two million, five hundred seventy-one thousand, nine hundred nine".