69775123273 has 2 divisors, whose sum is σ = 69775123274. Its totient is φ = 69775123272.

The previous prime is 69775123211. The next prime is 69775123279. The reversal of 69775123273 is 37232157796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67705601209 + 2069522064 = 260203^2 + 45492^2 .

It is a cyclic number.

It is not a de Polignac number, because 69775123273 - 2⁹ = 69775122761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69775123273.

It is not a weakly prime, because it can be changed into another prime (69775123279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34887561636 + 34887561637.

It is an arithmetic number, because the mean of its divisors is an integer number (34887561637).

Almost surely, 2^69775123273 is an apocalyptic number.

It is an amenable number.

69775123273 is a deficient number, since it is larger than the sum of its proper divisors (1).

69775123273 is an equidigital number, since it uses as much as digits as its factorization.

69775123273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3333960, while the sum is 52.

The spelling of 69775123273 in words is "sixty-nine billion, seven hundred seventy-five million, one hundred twenty-three thousand, two hundred seventy-three".