16425379026239 has 2 divisors, whose sum is σ = 16425379026240. Its totient is φ = 16425379026238.

The previous prime is 16425379026229. The next prime is 16425379026269. The reversal of 16425379026239 is 93262097352461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16425379026239 is a prime.

It is a super-2 number, since 2×16425379026239² (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 (16425379026229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212689513119 + 8212689513120.

It is an arithmetic number, because the mean of its divisors is an integer number (8212689513120).

Almost surely, 2^{16425379026239} is an apocalyptic number.

16425379026239 is a deficient number, since it is larger than the sum of its proper divisors (1).

16425379026239 is an equidigital number, since it uses as much as digits as its factorization.

16425379026239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 59.

The spelling of 16425379026239 in words is "sixteen trillion, four hundred twenty-five billion, three hundred seventy-nine million, twenty-six thousand, two hundred thirty-nine".