25323801893 has 16 divisors (see below), whose sum is σ = 27346562880. Its totient is φ = 23311829376.

The previous prime is 25323801889. The next prime is 25323801911. The reversal of 25323801893 is 39810832352.

It is a cyclic number.

It is not a de Polignac number, because 25323801893 - 2² = 25323801889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323801883) 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, 9278153 + ... + 9280881.

It is an arithmetic number, because the mean of its divisors is an integer number (1709160180).

Almost surely, 2^25323801893 is an apocalyptic number.

It is an amenable number.

25323801893 is a deficient number, since it is larger than the sum of its proper divisors (2022760987).

25323801893 is a wasteful number, since it uses less digits than its factorization.

25323801893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 25323801893 in words is "twenty-five billion, three hundred twenty-three million, eight hundred one thousand, eight hundred ninety-three".