16425425099 has 2 divisors, whose sum is σ = 16425425100. Its totient is φ = 16425425098.

The previous prime is 16425425089. The next prime is 16425425117. The reversal of 16425425099 is 99052452461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16425425099 - 2⁸ = 16425424843 is a prime.

It is not a weakly prime, because it can be changed into another prime (16425425039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212712549 + 8212712550.

It is an arithmetic number, because the mean of its divisors is an integer number (8212712550).

Almost surely, 2^16425425099 is an apocalyptic number.

16425425099 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425425099 is an equidigital number, since it uses as much as digits as its factorization.

16425425099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 16425425099 in words is "sixteen billion, four hundred twenty-five million, four hundred twenty-five thousand, ninety-nine".