25335445039 has 2 divisors, whose sum is σ = 25335445040. Its totient is φ = 25335445038.

The previous prime is 25335444983. The next prime is 25335445129. The reversal of 25335445039 is 93054453352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25335445039 - 2²³ = 25327056431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25335444986 and 25335445004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25335445939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12667722519 + 12667722520.

It is an arithmetic number, because the mean of its divisors is an integer number (12667722520).

Almost surely, 2^25335445039 is an apocalyptic number.

25335445039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25335445039 is an equidigital number, since it uses as much as digits as its factorization.

25335445039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 25335445039 in words is "twenty-five billion, three hundred thirty-five million, four hundred forty-five thousand, thirty-nine".