16992019783 has 2 divisors, whose sum is σ = 16992019784. Its totient is φ = 16992019782.

The previous prime is 16992019777. The next prime is 16992019817. The reversal of 16992019783 is 38791029961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16992019783 - 2¹³ = 16992011591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16992019753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8496009891 + 8496009892.

It is an arithmetic number, because the mean of its divisors is an integer number (8496009892).

Almost surely, 2^16992019783 is an apocalyptic number.

16992019783 is a deficient number, since it is larger than the sum of its proper divisors (1).

16992019783 is an equidigital number, since it uses as much as digits as its factorization.

16992019783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 16992019783 in words is "sixteen billion, nine hundred ninety-two million, nineteen thousand, seven hundred eighty-three".