69691916899 has 4 divisors (see below), whose sum is σ = 76027545720. Its totient is φ = 63356288080.

The previous prime is 69691916897. The next prime is 69691916923. The reversal of 69691916899 is 99861919696.

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

It is a cyclic number.

It is not a de Polignac number, because 69691916899 - 2¹ = 69691916897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69691916893) 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 in 3 ways as a sum of consecutive naturals, for example, 3167814394 + ... + 3167814415.

It is an arithmetic number, because the mean of its divisors is an integer number (19006886430).

Almost surely, 2^69691916899 is an apocalyptic number.

69691916899 is a deficient number, since it is larger than the sum of its proper divisors (6335628821).

69691916899 is a wasteful number, since it uses less digits than its factorization.

69691916899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335628820.

The product of its digits is 102036672, while the sum is 73.

The spelling of 69691916899 in words is "sixty-nine billion, six hundred ninety-one million, nine hundred sixteen thousand, eight hundred ninety-nine".