25043104393 has 2 divisors, whose sum is σ = 25043104394. Its totient is φ = 25043104392.

The previous prime is 25043104391. The next prime is 25043104439. The reversal of 25043104393 is 39340134052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18551257209 + 6491847184 = 136203^2 + 80572^2 .

It is a cyclic number.

It is not a de Polignac number, because 25043104393 - 2¹ = 25043104391 is a prime.

Together with 25043104391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25043104391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521552196 + 12521552197.

It is an arithmetic number, because the mean of its divisors is an integer number (12521552197).

Almost surely, 2^25043104393 is an apocalyptic number.

It is an amenable number.

25043104393 is a deficient number, since it is larger than the sum of its proper divisors (1).

25043104393 is an equidigital number, since it uses as much as digits as its factorization.

25043104393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 25043104393 in words is "twenty-five billion, forty-three million, one hundred four thousand, three hundred ninety-three".