86315569189 has 2 divisors, whose sum is σ = 86315569190. Its totient is φ = 86315569188.

The previous prime is 86315569183. The next prime is 86315569247. The reversal of 86315569189 is 98196551368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52277164164 + 34038405025 = 228642^2 + 184495^2 .

It is a cyclic number.

It is not a de Polignac number, because 86315569189 - 2⁷ = 86315569061 is a prime.

It is a super-2 number, since 2×86315569189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86315569183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43157784594 + 43157784595.

It is an arithmetic number, because the mean of its divisors is an integer number (43157784595).

Almost surely, 2^86315569189 is an apocalyptic number.

It is an amenable number.

86315569189 is a deficient number, since it is larger than the sum of its proper divisors (1).

86315569189 is an equidigital number, since it uses as much as digits as its factorization.

86315569189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 61.

The spelling of 86315569189 in words is "eighty-six billion, three hundred fifteen million, five hundred sixty-nine thousand, one hundred eighty-nine".