69072969805969 has 2 divisors, whose sum is σ = 69072969805970. Its totient is φ = 69072969805968.

The previous prime is 69072969805937. The next prime is 69072969805999. The reversal of 69072969805969 is 96950896927096.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53905551361600 + 15167418444369 = 7342040^2 + 3894537^2 .

It is a cyclic number.

It is not a de Polignac number, because 69072969805969 - 2⁵ = 69072969805937 is a prime.

It is a super-2 number, since 2×69072969805969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69072969805999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34536484902984 + 34536484902985.

It is an arithmetic number, because the mean of its divisors is an integer number (34536484902985).

Almost surely, 2^{69072969805969} is an apocalyptic number.

It is an amenable number.

69072969805969 is a deficient number, since it is larger than the sum of its proper divisors (1).

69072969805969 is an equidigital number, since it uses as much as digits as its factorization.

69072969805969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7142567040, while the sum is 85.

The spelling of 69072969805969 in words is "sixty-nine trillion, seventy-two billion, nine hundred sixty-nine million, eight hundred five thousand, nine hundred sixty-nine".