6425145239 has 2 divisors, whose sum is σ = 6425145240. Its totient is φ = 6425145238.

The previous prime is 6425145229. The next prime is 6425145263. The reversal of 6425145239 is 9325415246.

6425145239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6425145239 - 2²⁴ = 6408368023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6425145196 and 6425145205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6425145229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212572619 + 3212572620.

It is an arithmetic number, because the mean of its divisors is an integer number (3212572620).

Almost surely, 2^6425145239 is an apocalyptic number.

6425145239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425145239 is an equidigital number, since it uses as much as digits as its factorization.

6425145239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 6425145239 is about 80157.0036802774. The cubic root of 6425145239 is about 1859.0638946800.

The spelling of 6425145239 in words is "six billion, four hundred twenty-five million, one hundred forty-five thousand, two hundred thirty-nine".