25722782029423 has 2 divisors, whose sum is σ = 25722782029424. Its totient is φ = 25722782029422.

The previous prime is 25722782029393. The next prime is 25722782029459. The reversal of 25722782029423 is 32492028722752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25722782029423 - 2³⁷ = 25585343075951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25722782029723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861391014711 + 12861391014712.

It is an arithmetic number, because the mean of its divisors is an integer number (12861391014712).

Almost surely, 2^{25722782029423} is an apocalyptic number.

25722782029423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25722782029423 is an equidigital number, since it uses as much as digits as its factorization.

25722782029423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 25722782029423 in words is "twenty-five trillion, seven hundred twenty-two billion, seven hundred eighty-two million, twenty-nine thousand, four hundred twenty-three".