25457844383 has 2 divisors, whose sum is σ = 25457844384. Its totient is φ = 25457844382.

The previous prime is 25457844359. The next prime is 25457844421. The reversal of 25457844383 is 38344875452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25457844383 - 2¹⁸ = 25457582239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25457844323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12728922191 + 12728922192.

It is an arithmetic number, because the mean of its divisors is an integer number (12728922192).

Almost surely, 2^25457844383 is an apocalyptic number.

25457844383 is a deficient number, since it is larger than the sum of its proper divisors (1).

25457844383 is an equidigital number, since it uses as much as digits as its factorization.

25457844383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12902400, while the sum is 53.

The spelling of 25457844383 in words is "twenty-five billion, four hundred fifty-seven million, eight hundred forty-four thousand, three hundred eighty-three".