7915316812069 has 2 divisors, whose sum is σ = 7915316812070. Its totient is φ = 7915316812068.

The previous prime is 7915316812027. The next prime is 7915316812079. The reversal of 7915316812069 is 9602186135197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4175328263044 + 3739988549025 = 2043362^2 + 1933905^2 .

It is a cyclic number.

It is not a de Polignac number, because 7915316812069 - 2³⁵ = 7880957073701 is a prime.

It is a super-2 number, since 2×7915316812069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7915316812019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3957658406034 + 3957658406035.

It is an arithmetic number, because the mean of its divisors is an integer number (3957658406035).

Almost surely, 2^{7915316812069} is an apocalyptic number.

It is an amenable number.

7915316812069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7915316812069 is an equidigital number, since it uses as much as digits as its factorization.

7915316812069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 7915316812069 in words is "seven trillion, nine hundred fifteen billion, three hundred sixteen million, eight hundred twelve thousand, sixty-nine".