25883054993 has 2 divisors, whose sum is σ = 25883054994. Its totient is φ = 25883054992.

The previous prime is 25883054987. The next prime is 25883055113. The reversal of 25883054993 is 39945038852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25572167569 + 310887424 = 159913^2 + 17632^2 .

It is a cyclic number.

It is not a de Polignac number, because 25883054993 - 2⁶ = 25883054929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25883054903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12941527496 + 12941527497.

It is an arithmetic number, because the mean of its divisors is an integer number (12941527497).

Almost surely, 2^25883054993 is an apocalyptic number.

It is an amenable number.

25883054993 is a deficient number, since it is larger than the sum of its proper divisors (1).

25883054993 is an equidigital number, since it uses as much as digits as its factorization.

25883054993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 25883054993 in words is "twenty-five billion, eight hundred eighty-three million, fifty-four thousand, nine hundred ninety-three".