25628174503823 has 2 divisors, whose sum is σ = 25628174503824. Its totient is φ = 25628174503822.

The previous prime is 25628174503793. The next prime is 25628174503859. The reversal of 25628174503823 is 32830547182652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25628174503823 - 2⁸ = 25628174503567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25628174503873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12814087251911 + 12814087251912.

It is an arithmetic number, because the mean of its divisors is an integer number (12814087251912).

Almost surely, 2^{25628174503823} is an apocalyptic number.

25628174503823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25628174503823 is an equidigital number, since it uses as much as digits as its factorization.

25628174503823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 25628174503823 in words is "twenty-five trillion, six hundred twenty-eight billion, one hundred seventy-four million, five hundred three thousand, eight hundred twenty-three".