163083689045989 has 2 divisors, whose sum is σ = 163083689045990. Its totient is φ = 163083689045988.

The previous prime is 163083689045983. The next prime is 163083689046049. The reversal of 163083689045989 is 989540986380361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151191247120225 + 11892441925764 = 12295985^2 + 3448542^2 .

It is a cyclic number.

It is not a de Polignac number, because 163083689045989 - 2¹⁷ = 163083688914917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163083689045983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81541844522994 + 81541844522995.

It is an arithmetic number, because the mean of its divisors is an integer number (81541844522995).

Almost surely, 2^{163083689045989} is an apocalyptic number.

It is an amenable number.

163083689045989 is a deficient number, since it is larger than the sum of its proper divisors (1).

163083689045989 is an equidigital number, since it uses as much as digits as its factorization.

163083689045989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2418647040, while the sum is 79.

The spelling of 163083689045989 in words is "one hundred sixty-three trillion, eighty-three billion, six hundred eighty-nine million, forty-five thousand, nine hundred eighty-nine".