69438396439 has 2 divisors, whose sum is σ = 69438396440. Its totient is φ = 69438396438.

The previous prime is 69438396413. The next prime is 69438396457. The reversal of 69438396439 is 93469383496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69438396439 - 2¹¹ = 69438394391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69438396499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34719198219 + 34719198220.

It is an arithmetic number, because the mean of its divisors is an integer number (34719198220).

Almost surely, 2^69438396439 is an apocalyptic number.

69438396439 is a deficient number, since it is larger than the sum of its proper divisors (1).

69438396439 is an equidigital number, since it uses as much as digits as its factorization.

69438396439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90699264, while the sum is 64.

The spelling of 69438396439 in words is "sixty-nine billion, four hundred thirty-eight million, three hundred ninety-six thousand, four hundred thirty-nine".