25493045492623 has 2 divisors, whose sum is σ = 25493045492624. Its totient is φ = 25493045492622.

The previous prime is 25493045492533. The next prime is 25493045492659. The reversal of 25493045492623 is 32629454039452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25493045492623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25493045892623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12746522746311 + 12746522746312.

It is an arithmetic number, because the mean of its divisors is an integer number (12746522746312).

Almost surely, 2^{25493045492623} is an apocalyptic number.

25493045492623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25493045492623 is an equidigital number, since it uses as much as digits as its factorization.

25493045492623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55987200, while the sum is 58.

The spelling of 25493045492623 in words is "twenty-five trillion, four hundred ninety-three billion, forty-five million, four hundred ninety-two thousand, six hundred twenty-three".