16969385879 has 2 divisors, whose sum is σ = 16969385880. Its totient is φ = 16969385878.

The previous prime is 16969385803. The next prime is 16969385891. The reversal of 16969385879 is 97858396961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16969385879 - 2²⁸ = 16700950423 is a prime.

It is a super-2 number, since 2×16969385879² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16969385899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484692939 + 8484692940.

It is an arithmetic number, because the mean of its divisors is an integer number (8484692940).

Almost surely, 2^16969385879 is an apocalyptic number.

16969385879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16969385879 is an equidigital number, since it uses as much as digits as its factorization.

16969385879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 71.

The spelling of 16969385879 in words is "sixteen billion, nine hundred sixty-nine million, three hundred eighty-five thousand, eight hundred seventy-nine".