25794006439 has 2 divisors, whose sum is σ = 25794006440. Its totient is φ = 25794006438.

The previous prime is 25794006431. The next prime is 25794006461. The reversal of 25794006439 is 93460049752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25794006439 - 2³ = 25794006431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25794006392 and 25794006401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25794006431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12897003219 + 12897003220.

It is an arithmetic number, because the mean of its divisors is an integer number (12897003220).

Almost surely, 2^25794006439 is an apocalyptic number.

25794006439 is a deficient number, since it is larger than the sum of its proper divisors (1).

25794006439 is an equidigital number, since it uses as much as digits as its factorization.

25794006439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 25794006439 in words is "twenty-five billion, seven hundred ninety-four million, six thousand, four hundred thirty-nine".