69495689 has 2 divisors, whose sum is σ = 69495690. Its totient is φ = 69495688.

The previous prime is 69495637. The next prime is 69495709. The reversal of 69495689 is 98659496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65885689 + 3610000 = 8117^2 + 1900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69495689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69495089) 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, 34747844 + 34747845.

It is an arithmetic number, because the mean of its divisors is an integer number (34747845).

Almost surely, 2^69495689 is an apocalyptic number.

It is an amenable number.

69495689 is a deficient number, since it is larger than the sum of its proper divisors (1).

69495689 is an equidigital number, since it uses as much as digits as its factorization.

69495689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 56.

The square root of 69495689 is about 8336.4074396589. The cubic root of 69495689 is about 411.1364248163.

The spelling of 69495689 in words is "sixty-nine million, four hundred ninety-five thousand, six hundred eighty-nine".