86634741002209 has 2 divisors, whose sum is σ = 86634741002210. Its totient is φ = 86634741002208.

The previous prime is 86634741002171. The next prime is 86634741002267. The reversal of 86634741002209 is 90220014743668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86439136480225 + 195604521984 = 9297265^2 + 442272^2 .

It is a cyclic number.

It is not a de Polignac number, because 86634741002209 - 2²³ = 86634732613601 is a prime.

It is not a weakly prime, because it can be changed into another prime (86634741002279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43317370501104 + 43317370501105.

It is an arithmetic number, because the mean of its divisors is an integer number (43317370501105).

Almost surely, 2^{86634741002209} is an apocalyptic number.

It is an amenable number.

86634741002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

86634741002209 is an equidigital number, since it uses as much as digits as its factorization.

86634741002209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 86634741002209 in words is "eighty-six trillion, six hundred thirty-four billion, seven hundred forty-one million, two thousand, two hundred nine".