16425301999 has 2 divisors, whose sum is σ = 16425302000. Its totient is φ = 16425301998.

The previous prime is 16425301993. The next prime is 16425302021. The reversal of 16425301999 is 99910352461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16425301999 - 2³¹ = 14277818351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16425301993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212650999 + 8212651000.

It is an arithmetic number, because the mean of its divisors is an integer number (8212651000).

Almost surely, 2^16425301999 is an apocalyptic number.

16425301999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425301999 is an equidigital number, since it uses as much as digits as its factorization.

16425301999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 16425301999 in words is "sixteen billion, four hundred twenty-five million, three hundred one thousand, nine hundred ninety-nine".