69388666342 has 4 divisors (see below), whose sum is σ = 104082999516. Its totient is φ = 34694333170.

The previous prime is 69388666339. The next prime is 69388666409. The reversal of 69388666342 is 24366688396.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 17347166584 + ... + 17347166587.

It is an arithmetic number, because the mean of its divisors is an integer number (26020749879).

Almost surely, 2^69388666342 is an apocalyptic number.

69388666342 is a deficient number, since it is larger than the sum of its proper divisors (34694333174).

69388666342 is a wasteful number, since it uses less digits than its factorization.

69388666342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694333173.

The product of its digits is 53747712, while the sum is 61.

The spelling of 69388666342 in words is "sixty-nine billion, three hundred eighty-eight million, six hundred sixty-six thousand, three hundred forty-two".