625326623056493 has 2 divisors, whose sum is σ = 625326623056494. Its totient is φ = 625326623056492.

The previous prime is 625326623056433. The next prime is 625326623056547. The reversal of 625326623056493 is 394650326623526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438118608026089 + 187208015030404 = 20931283^2 + 13682398^2 .

It is a cyclic number.

It is not a de Polignac number, because 625326623056493 - 2¹⁰ = 625326623055469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625326623056433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312663311528246 + 312663311528247.

It is an arithmetic number, because the mean of its divisors is an integer number (312663311528247).

Almost surely, 2^{625326623056493} is an apocalyptic number.

It is an amenable number.

625326623056493 is a deficient number, since it is larger than the sum of its proper divisors (1).

625326623056493 is an equidigital number, since it uses as much as digits as its factorization.

625326623056493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 251942400, while the sum is 62.

The spelling of 625326623056493 in words is "six hundred twenty-five trillion, three hundred twenty-six billion, six hundred twenty-three million, fifty-six thousand, four hundred ninety-three".