25948337543 has 2 divisors, whose sum is σ = 25948337544. Its totient is φ = 25948337542.

The previous prime is 25948337537. The next prime is 25948337621. The reversal of 25948337543 is 34573384952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25948337543 - 2⁸ = 25948337287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25948336543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12974168771 + 12974168772.

It is an arithmetic number, because the mean of its divisors is an integer number (12974168772).

Almost surely, 2^25948337543 is an apocalyptic number.

25948337543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25948337543 is an equidigital number, since it uses as much as digits as its factorization.

25948337543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 53.

The spelling of 25948337543 in words is "twenty-five billion, nine hundred forty-eight million, three hundred thirty-seven thousand, five hundred forty-three".