69612469 has 2 divisors, whose sum is σ = 69612470. Its totient is φ = 69612468.

The previous prime is 69612463. The next prime is 69612493. The reversal of 69612469 is 96421696.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 7360369 = 7890^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 69612469 - 2³ = 69612461 is a prime.

It is a super-2 number, since 2×69612469² = 9691791680551922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69612461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34806234 + 34806235.

It is an arithmetic number, because the mean of its divisors is an integer number (34806235).

Almost surely, 2^69612469 is an apocalyptic number.

It is an amenable number.

69612469 is a deficient number, since it is larger than the sum of its proper divisors (1).

69612469 is an equidigital number, since it uses as much as digits as its factorization.

69612469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 69612469 is about 8343.4087158667. The cubic root of 69612469 is about 411.3665860641.

The spelling of 69612469 in words is "sixty-nine million, six hundred twelve thousand, four hundred sixty-nine".