598940959861 has 2 divisors, whose sum is σ = 598940959862. Its totient is φ = 598940959860.

The previous prime is 598940959817. The next prime is 598940959867. The reversal of 598940959861 is 168959049895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589225112100 + 9715847761 = 767610^2 + 98569^2 .

It is a cyclic number.

It is not a de Polignac number, because 598940959861 - 2²⁹ = 598404088949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (598940959867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299470479930 + 299470479931.

It is an arithmetic number, because the mean of its divisors is an integer number (299470479931).

Almost surely, 2^598940959861 is an apocalyptic number.

It is an amenable number.

598940959861 is a deficient number, since it is larger than the sum of its proper divisors (1).

598940959861 is an equidigital number, since it uses as much as digits as its factorization.

598940959861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 73.

The spelling of 598940959861 in words is "five hundred ninety-eight billion, nine hundred forty million, nine hundred fifty-nine thousand, eight hundred sixty-one".