69872269 has 2 divisors, whose sum is σ = 69872270. Its totient is φ = 69872268.

The previous prime is 69872263. The next prime is 69872287. The reversal of 69872269 is 96227896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 149769 = 8350^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 69872269 - 2⁵ = 69872237 is a prime.

It is a super-2 number, since 2×69872269² = 9764267950416722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69872263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34936134 + 34936135.

It is an arithmetic number, because the mean of its divisors is an integer number (34936135).

Almost surely, 2^69872269 is an apocalyptic number.

It is an amenable number.

69872269 is a deficient number, since it is larger than the sum of its proper divisors (1).

69872269 is an equidigital number, since it uses as much as digits as its factorization.

69872269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 69872269 is about 8358.9633926702. The cubic root of 69872269 is about 411.8777031207.

The spelling of 69872269 in words is "sixty-nine million, eight hundred seventy-two thousand, two hundred sixty-nine".