69240445279 has 2 divisors, whose sum is σ = 69240445280. Its totient is φ = 69240445278.

The previous prime is 69240445249. The next prime is 69240445301. The reversal of 69240445279 is 97254404296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69240445279 - 2⁵ = 69240445247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69240445249) 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, 34620222639 + 34620222640.

It is an arithmetic number, because the mean of its divisors is an integer number (34620222640).

Almost surely, 2^69240445279 is an apocalyptic number.

69240445279 is a deficient number, since it is larger than the sum of its proper divisors (1).

69240445279 is an equidigital number, since it uses as much as digits as its factorization.

69240445279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 69240445279 in words is "sixty-nine billion, two hundred forty million, four hundred forty-five thousand, two hundred seventy-nine".