69409693 has 2 divisors, whose sum is σ = 69409694. Its totient is φ = 69409692.

The previous prime is 69409633. The next prime is 69409721. The reversal of 69409693 is 39690496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67864644 + 1545049 = 8238^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69409693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69409633) 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, 34704846 + 34704847.

It is an arithmetic number, because the mean of its divisors is an integer number (34704847).

Almost surely, 2^69409693 is an apocalyptic number.

It is an amenable number.

69409693 is a deficient number, since it is larger than the sum of its proper divisors (1).

69409693 is an equidigital number, since it uses as much as digits as its factorization.

69409693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 69409693 is about 8331.2479857462. The cubic root of 69409693 is about 410.9667707362.

The spelling of 69409693 in words is "sixty-nine million, four hundred nine thousand, six hundred ninety-three".