86394422419589 has 2 divisors, whose sum is σ = 86394422419590. Its totient is φ = 86394422419588.

The previous prime is 86394422419583. The next prime is 86394422419607. The reversal of 86394422419589 is 98591422449368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62427934288225 + 23966488131364 = 7901135^2 + 4895558^2 .

It is a cyclic number.

It is not a de Polignac number, because 86394422419589 - 2²⁴ = 86394405642373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86394422419583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43197211209794 + 43197211209795.

It is an arithmetic number, because the mean of its divisors is an integer number (43197211209795).

Almost surely, 2^{86394422419589} is an apocalyptic number.

It is an amenable number.

86394422419589 is a deficient number, since it is larger than the sum of its proper divisors (1).

86394422419589 is an equidigital number, since it uses as much as digits as its factorization.

86394422419589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1074954240, while the sum is 74.

The spelling of 86394422419589 in words is "eighty-six trillion, three hundred ninety-four billion, four hundred twenty-two million, four hundred nineteen thousand, five hundred eighty-nine".