25233638783 has 2 divisors, whose sum is σ = 25233638784. Its totient is φ = 25233638782.

The previous prime is 25233638779. The next prime is 25233638827. The reversal of 25233638783 is 38783633252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25233638783 - 2² = 25233638779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25233638483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12616819391 + 12616819392.

It is an arithmetic number, because the mean of its divisors is an integer number (12616819392).

Almost surely, 2^25233638783 is an apocalyptic number.

25233638783 is a deficient number, since it is larger than the sum of its proper divisors (1).

25233638783 is an equidigital number, since it uses as much as digits as its factorization.

25233638783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 50.

The spelling of 25233638783 in words is "twenty-five billion, two hundred thirty-three million, six hundred thirty-eight thousand, seven hundred eighty-three".