16425680793919 has 2 divisors, whose sum is σ = 16425680793920. Its totient is φ = 16425680793918.

The previous prime is 16425680793889. The next prime is 16425680793943. The reversal of 16425680793919 is 91939708652461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16425680793919 - 2¹⁷ = 16425680662847 is a prime.

It is a super-2 number, since 2×16425680793919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16425680793719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212840396959 + 8212840396960.

It is an arithmetic number, because the mean of its divisors is an integer number (8212840396960).

It is a 1-persistent number, because it is pandigital, but 2⋅16425680793919 = 32851361587838 is not.

Almost surely, 2^{16425680793919} is an apocalyptic number.

16425680793919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425680793919 is an equidigital number, since it uses as much as digits as its factorization.

16425680793919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 70.

The spelling of 16425680793919 in words is "sixteen trillion, four hundred twenty-five billion, six hundred eighty million, seven hundred ninety-three thousand, nine hundred nineteen".