16248780019 has 2 divisors, whose sum is σ = 16248780020. Its totient is φ = 16248780018.

The previous prime is 16248780001. The next prime is 16248780043. The reversal of 16248780019 is 91008784261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16248780019 - 2⁹ = 16248779507 is a prime.

It is a super-2 number, since 2×16248780019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16248780419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124390009 + 8124390010.

It is an arithmetic number, because the mean of its divisors is an integer number (8124390010).

Almost surely, 2^16248780019 is an apocalyptic number.

16248780019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16248780019 is an equidigital number, since it uses as much as digits as its factorization.

16248780019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 16248780019 in words is "sixteen billion, two hundred forty-eight million, seven hundred eighty thousand, nineteen".