316486139609 has 2 divisors, whose sum is σ = 316486139610. Its totient is φ = 316486139608.

The previous prime is 316486139581. The next prime is 316486139653. The reversal of 316486139609 is 906931684613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241815112009 + 74671027600 = 491747^2 + 273260^2 .

It is a cyclic number.

It is not a de Polignac number, because 316486139609 - 2²⁴ = 316469362393 is a prime.

It is not a weakly prime, because it can be changed into another prime (316486139659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158243069804 + 158243069805.

It is an arithmetic number, because the mean of its divisors is an integer number (158243069805).

Almost surely, 2^316486139609 is an apocalyptic number.

It is an amenable number.

316486139609 is a deficient number, since it is larger than the sum of its proper divisors (1).

316486139609 is an equidigital number, since it uses as much as digits as its factorization.

316486139609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 316486139609 in words is "three hundred sixteen billion, four hundred eighty-six million, one hundred thirty-nine thousand, six hundred nine".