86742120042313 has 2 divisors, whose sum is σ = 86742120042314. Its totient is φ = 86742120042312.

The previous prime is 86742120042301. The next prime is 86742120042419. The reversal of 86742120042313 is 31324002124768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70298381354569 + 16443738687744 = 8384413^2 + 4055088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86742120042313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86742120042313.

It is not a weakly prime, because it can be changed into another prime (86742120042113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43371060021156 + 43371060021157.

It is an arithmetic number, because the mean of its divisors is an integer number (43371060021157).

Almost surely, 2^{86742120042313} is an apocalyptic number.

It is an amenable number.

86742120042313 is a deficient number, since it is larger than the sum of its proper divisors (1).

86742120042313 is an equidigital number, since it uses as much as digits as its factorization.

86742120042313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 86742120042313 in words is "eighty-six trillion, seven hundred forty-two billion, one hundred twenty million, forty-two thousand, three hundred thirteen".