16919411129 has 2 divisors, whose sum is σ = 16919411130. Its totient is φ = 16919411128.

The previous prime is 16919411053. The next prime is 16919411147. The reversal of 16919411129 is 92111491961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16907020729 + 12390400 = 130027^2 + 3520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16919411129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16919411129.

It is not a weakly prime, because it can be changed into another prime (16919411149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8459705564 + 8459705565.

It is an arithmetic number, because the mean of its divisors is an integer number (8459705565).

Almost surely, 2^16919411129 is an apocalyptic number.

It is an amenable number.

16919411129 is a deficient number, since it is larger than the sum of its proper divisors (1).

16919411129 is an equidigital number, since it uses as much as digits as its factorization.

16919411129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 44.

The spelling of 16919411129 in words is "sixteen billion, nine hundred nineteen million, four hundred eleven thousand, one hundred twenty-nine".