16934957869 has 2 divisors, whose sum is σ = 16934957870. Its totient is φ = 16934957868.

The previous prime is 16934957821. The next prime is 16934957903. The reversal of 16934957869 is 96875943961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10238808969 + 6696148900 = 101187^2 + 81830^2 .

It is an emirp because it is prime and its reverse (96875943961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16934957869 - 2¹⁵ = 16934925101 is a prime.

It is a super-2 number, since 2×16934957869² (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 (16934952869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467478934 + 8467478935.

It is an arithmetic number, because the mean of its divisors is an integer number (8467478935).

Almost surely, 2^16934957869 is an apocalyptic number.

It is an amenable number.

16934957869 is a deficient number, since it is larger than the sum of its proper divisors (1).

16934957869 is an equidigital number, since it uses as much as digits as its factorization.

16934957869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88179840, while the sum is 67.

The spelling of 16934957869 in words is "sixteen billion, nine hundred thirty-four million, nine hundred fifty-seven thousand, eight hundred sixty-nine".