25981089383 has 16 divisors (see below), whose sum is σ = 28015468800. Its totient is φ = 24014672640.

The previous prime is 25981089377. The next prime is 25981089391. The reversal of 25981089383 is 38398018952.

It is a cyclic number.

It is not a de Polignac number, because 25981089383 - 2⁶ = 25981089319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25981089313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741878 + ... + 776108.

It is an arithmetic number, because the mean of its divisors is an integer number (1750966800).

Almost surely, 2^25981089383 is an apocalyptic number.

25981089383 is a deficient number, since it is larger than the sum of its proper divisors (2034379417).

25981089383 is a wasteful number, since it uses less digits than its factorization.

25981089383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35222.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 25981089383 in words is "twenty-five billion, nine hundred eighty-one million, eighty-nine thousand, three hundred eighty-three".