25570676479 has 2 divisors, whose sum is σ = 25570676480. Its totient is φ = 25570676478.

The previous prime is 25570676423. The next prime is 25570676557. The reversal of 25570676479 is 97467607552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25570676479 - 2¹¹ = 25570674431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25570676779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12785338239 + 12785338240.

It is an arithmetic number, because the mean of its divisors is an integer number (12785338240).

Almost surely, 2^25570676479 is an apocalyptic number.

25570676479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25570676479 is an equidigital number, since it uses as much as digits as its factorization.

25570676479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 25570676479 in words is "twenty-five billion, five hundred seventy million, six hundred seventy-six thousand, four hundred seventy-nine".