25922555623 has 2 divisors, whose sum is σ = 25922555624. Its totient is φ = 25922555622.

The previous prime is 25922555509. The next prime is 25922555683. The reversal of 25922555623 is 32655522952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25922555623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25922555683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961277811 + 12961277812.

It is an arithmetic number, because the mean of its divisors is an integer number (12961277812).

Almost surely, 2^25922555623 is an apocalyptic number.

25922555623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25922555623 is an equidigital number, since it uses as much as digits as its factorization.

25922555623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 46.

The spelling of 25922555623 in words is "twenty-five billion, nine hundred twenty-two million, five hundred fifty-five thousand, six hundred twenty-three".