89208663699913 has 2 divisors, whose sum is σ = 89208663699914. Its totient is φ = 89208663699912.

The previous prime is 89208663699893. The next prime is 89208663699919. The reversal of 89208663699913 is 31999636680298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84069882495369 + 5138781204544 = 9168963^2 + 2266888^2 .

It is a cyclic number.

It is not a de Polignac number, because 89208663699913 - 2³³ = 89200073765321 is a prime.

It is not a weakly prime, because it can be changed into another prime (89208663699919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44604331849956 + 44604331849957.

It is an arithmetic number, because the mean of its divisors is an integer number (44604331849957).

Almost surely, 2^{89208663699913} is an apocalyptic number.

It is an amenable number.

89208663699913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89208663699913 is an equidigital number, since it uses as much as digits as its factorization.

89208663699913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632586752, while the sum is 79.

The spelling of 89208663699913 in words is "eighty-nine trillion, two hundred eight billion, six hundred sixty-three million, six hundred ninety-nine thousand, nine hundred thirteen".