25758325782793 has 2 divisors, whose sum is σ = 25758325782794. Its totient is φ = 25758325782792.

The previous prime is 25758325782667. The next prime is 25758325782817. The reversal of 25758325782793 is 39728752385752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16881185603584 + 8877140179209 = 4108672^2 + 2979453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25758325782793 is a prime.

It is not a weakly prime, because it can be changed into another prime (25758325782593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12879162891396 + 12879162891397.

It is an arithmetic number, because the mean of its divisors is an integer number (12879162891397).

Almost surely, 2^{25758325782793} is an apocalyptic number.

It is an amenable number.

25758325782793 is a deficient number, since it is larger than the sum of its proper divisors (1).

25758325782793 is an equidigital number, since it uses as much as digits as its factorization.

25758325782793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112000, while the sum is 73.

The spelling of 25758325782793 in words is "twenty-five trillion, seven hundred fifty-eight billion, three hundred twenty-five million, seven hundred eighty-two thousand, seven hundred ninety-three".