25947385223 has 2 divisors, whose sum is σ = 25947385224. Its totient is φ = 25947385222.

The previous prime is 25947385199. The next prime is 25947385279. The reversal of 25947385223 is 32258374952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25947385223 - 2¹⁶ = 25947319687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25947325223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12973692611 + 12973692612.

It is an arithmetic number, because the mean of its divisors is an integer number (12973692612).

Almost surely, 2^25947385223 is an apocalyptic number.

25947385223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25947385223 is an equidigital number, since it uses as much as digits as its factorization.

25947385223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 25947385223 in words is "twenty-five billion, nine hundred forty-seven million, three hundred eighty-five thousand, two hundred twenty-three".