25630636204223 has 2 divisors, whose sum is σ = 25630636204224. Its totient is φ = 25630636204222.

The previous prime is 25630636204181. The next prime is 25630636204231. The reversal of 25630636204223 is 32240263603652.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25630636204223 - 2¹⁴ = 25630636187839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25630636204423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12815318102111 + 12815318102112.

It is an arithmetic number, because the mean of its divisors is an integer number (12815318102112).

Almost surely, 2^{25630636204223} is an apocalyptic number.

25630636204223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25630636204223 is an equidigital number, since it uses as much as digits as its factorization.

25630636204223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 44.

Adding to 25630636204223 its reverse (32240263603652), we get a palindrome (57870899807875).

The spelling of 25630636204223 in words is "twenty-five trillion, six hundred thirty billion, six hundred thirty-six million, two hundred four thousand, two hundred twenty-three".