16749659519 has 2 divisors, whose sum is σ = 16749659520. Its totient is φ = 16749659518.

The previous prime is 16749659501. The next prime is 16749659527. The reversal of 16749659519 is 91595694761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16749659519 - 2²⁰ = 16748610943 is a prime.

It is a super-2 number, since 2×16749659519² (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 (16749659579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8374829759 + 8374829760.

It is an arithmetic number, because the mean of its divisors is an integer number (8374829760).

Almost surely, 2^16749659519 is an apocalyptic number.

16749659519 is a deficient number, since it is larger than the sum of its proper divisors (1).

16749659519 is an equidigital number, since it uses as much as digits as its factorization.

16749659519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18370800, while the sum is 62.

The spelling of 16749659519 in words is "sixteen billion, seven hundred forty-nine million, six hundred fifty-nine thousand, five hundred nineteen".