25746342823 has 2 divisors, whose sum is σ = 25746342824. Its totient is φ = 25746342822.

The previous prime is 25746342763. The next prime is 25746342841. The reversal of 25746342823 is 32824364752.

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-25746342823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25746342893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12873171411 + 12873171412.

It is an arithmetic number, because the mean of its divisors is an integer number (12873171412).

Almost surely, 2^25746342823 is an apocalyptic number.

25746342823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25746342823 is an equidigital number, since it uses as much as digits as its factorization.

25746342823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 46.

The spelling of 25746342823 in words is "twenty-five billion, seven hundred forty-six million, three hundred forty-two thousand, eight hundred twenty-three".