16252744919 has 2 divisors, whose sum is σ = 16252744920. Its totient is φ = 16252744918.

The previous prime is 16252744903. The next prime is 16252744939. The reversal of 16252744919 is 91944725261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16252744919 - 2⁴ = 16252744903 is a prime.

It is a super-2 number, since 2×16252744919² (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 (16252744939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126372459 + 8126372460.

It is an arithmetic number, because the mean of its divisors is an integer number (8126372460).

Almost surely, 2^16252744919 is an apocalyptic number.

16252744919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16252744919 is an equidigital number, since it uses as much as digits as its factorization.

16252744919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The spelling of 16252744919 in words is "sixteen billion, two hundred fifty-two million, seven hundred forty-four thousand, nine hundred nineteen".