69115876009 has 2 divisors, whose sum is σ = 69115876010. Its totient is φ = 69115876008.

The previous prime is 69115876003. The next prime is 69115876133. The reversal of 69115876009 is 90067851196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62038355625 + 7077520384 = 249075^2 + 84128^2 .

It is a cyclic number.

It is not a de Polignac number, because 69115876009 - 2⁹ = 69115875497 is a prime.

It is not a weakly prime, because it can be changed into another prime (69115876003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34557938004 + 34557938005.

It is an arithmetic number, because the mean of its divisors is an integer number (34557938005).

Almost surely, 2^69115876009 is an apocalyptic number.

It is an amenable number.

69115876009 is a deficient number, since it is larger than the sum of its proper divisors (1).

69115876009 is an equidigital number, since it uses as much as digits as its factorization.

69115876009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 69115876009 in words is "sixty-nine billion, one hundred fifteen million, eight hundred seventy-six thousand, nine".