21692745119 has 2 divisors, whose sum is σ = 21692745120. Its totient is φ = 21692745118.

The previous prime is 21692745089. The next prime is 21692745149. The reversal of 21692745119 is 91154729612.

It is a balanced prime because it is at equal distance from previous prime (21692745089) and next prime (21692745149).

It is a cyclic number.

It is not a de Polignac number, because 21692745119 - 2⁸ = 21692744863 is a prime.

It is a super-2 number, since 2×21692745119² (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 (21692745149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10846372559 + 10846372560.

It is an arithmetic number, because the mean of its divisors is an integer number (10846372560).

Almost surely, 2^21692745119 is an apocalyptic number.

21692745119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21692745119 is an equidigital number, since it uses as much as digits as its factorization.

21692745119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 47.

The spelling of 21692745119 in words is "twenty-one billion, six hundred ninety-two million, seven hundred forty-five thousand, one hundred nineteen".