69753076972129 has 2 divisors, whose sum is σ = 69753076972130. Its totient is φ = 69753076972128.

The previous prime is 69753076972123. The next prime is 69753076972133. The reversal of 69753076972129 is 92127967035796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65386953888400 + 4366123083729 = 8086220^2 + 2089527^2 .

It is a cyclic number.

It is not a de Polignac number, because 69753076972129 - 2¹³ = 69753076963937 is a prime.

It is not a weakly prime, because it can be changed into another prime (69753076972123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34876538486064 + 34876538486065.

It is an arithmetic number, because the mean of its divisors is an integer number (34876538486065).

Almost surely, 2^{69753076972129} is an apocalyptic number.

It is an amenable number.

69753076972129 is a deficient number, since it is larger than the sum of its proper divisors (1).

69753076972129 is an equidigital number, since it uses as much as digits as its factorization.

69753076972129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540101520, while the sum is 73.

The spelling of 69753076972129 in words is "sixty-nine trillion, seven hundred fifty-three billion, seventy-six million, nine hundred seventy-two thousand, one hundred twenty-nine".