69125195729 has 2 divisors, whose sum is σ = 69125195730. Its totient is φ = 69125195728.

The previous prime is 69125195707. The next prime is 69125195749. The reversal of 69125195729 is 92759152196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61964651329 + 7160544400 = 248927^2 + 84620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69125195729 is a prime.

It is not a weakly prime, because it can be changed into another prime (69125195749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34562597864 + 34562597865.

It is an arithmetic number, because the mean of its divisors is an integer number (34562597865).

Almost surely, 2^69125195729 is an apocalyptic number.

It is an amenable number.

69125195729 is a deficient number, since it is larger than the sum of its proper divisors (1).

69125195729 is an equidigital number, since it uses as much as digits as its factorization.

69125195729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 56.

The spelling of 69125195729 in words is "sixty-nine billion, one hundred twenty-five million, one hundred ninety-five thousand, seven hundred twenty-nine".