69912125369 has 2 divisors, whose sum is σ = 69912125370. Its totient is φ = 69912125368.

The previous prime is 69912125351. The next prime is 69912125401. The reversal of 69912125369 is 96352121996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39918042025 + 29994083344 = 199795^2 + 173188^2 .

It is a cyclic number.

It is not a de Polignac number, because 69912125369 - 2²⁴ = 69895348153 is a prime.

It is a super-2 number, since 2×69912125369² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69912125369.

It is not a weakly prime, because it can be changed into another prime (69912122369) 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, 34956062684 + 34956062685.

It is an arithmetic number, because the mean of its divisors is an integer number (34956062685).

Almost surely, 2^69912125369 is an apocalyptic number.

It is an amenable number.

69912125369 is a deficient number, since it is larger than the sum of its proper divisors (1).

69912125369 is an equidigital number, since it uses as much as digits as its factorization.

69912125369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 53.

The spelling of 69912125369 in words is "sixty-nine billion, nine hundred twelve million, one hundred twenty-five thousand, three hundred sixty-nine".