16513011719 has 2 divisors, whose sum is σ = 16513011720. Its totient is φ = 16513011718.

The previous prime is 16513011677. The next prime is 16513011721. The reversal of 16513011719 is 91711031561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16513011719 - 2²⁸ = 16244576263 is a prime.

It is a super-2 number, since 2×16513011719² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 16513011721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16513011799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8256505859 + 8256505860.

It is an arithmetic number, because the mean of its divisors is an integer number (8256505860).

Almost surely, 2^16513011719 is an apocalyptic number.

16513011719 is a deficient number, since it is larger than the sum of its proper divisors (1).

16513011719 is an equidigital number, since it uses as much as digits as its factorization.

16513011719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 35.

The spelling of 16513011719 in words is "sixteen billion, five hundred thirteen million, eleven thousand, seven hundred nineteen".