598426838609 has 2 divisors, whose sum is σ = 598426838610. Its totient is φ = 598426838608.

The previous prime is 598426838573. The next prime is 598426838627. The reversal of 598426838609 is 906838624895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585492780625 + 12934057984 = 765175^2 + 113728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-598426838609 is a prime.

It is a super-2 number, since 2×598426838609² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (598426838909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299213419304 + 299213419305.

It is an arithmetic number, because the mean of its divisors is an integer number (299213419305).

Almost surely, 2^598426838609 is an apocalyptic number.

It is an amenable number.

598426838609 is a deficient number, since it is larger than the sum of its proper divisors (1).

598426838609 is an equidigital number, since it uses as much as digits as its factorization.

598426838609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179159040, while the sum is 68.

The spelling of 598426838609 in words is "five hundred ninety-eight billion, four hundred twenty-six million, eight hundred thirty-eight thousand, six hundred nine".