69406307273 has 2 divisors, whose sum is σ = 69406307274. Its totient is φ = 69406307272.

The previous prime is 69406307263. The next prime is 69406307287. The reversal of 69406307273 is 37270360496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49585046329 + 19821260944 = 222677^2 + 140788^2 .

It is a cyclic number.

It is not a de Polignac number, because 69406307273 - 2¹² = 69406303177 is a prime.

It is not a weakly prime, because it can be changed into another prime (69406307263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34703153636 + 34703153637.

It is an arithmetic number, because the mean of its divisors is an integer number (34703153637).

Almost surely, 2^69406307273 is an apocalyptic number.

It is an amenable number.

69406307273 is a deficient number, since it is larger than the sum of its proper divisors (1).

69406307273 is an equidigital number, since it uses as much as digits as its factorization.

69406307273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 69406307273 in words is "sixty-nine billion, four hundred six million, three hundred seven thousand, two hundred seventy-three".