25378944083 has 2 divisors, whose sum is σ = 25378944084. Its totient is φ = 25378944082.

The previous prime is 25378944047. The next prime is 25378944121. The reversal of 25378944083 is 38044987352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25378944083 - 2¹⁰ = 25378943059 is a prime.

It is not a weakly prime, because it can be changed into another prime (25378946083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12689472041 + 12689472042.

It is an arithmetic number, because the mean of its divisors is an integer number (12689472042).

Almost surely, 2^25378944083 is an apocalyptic number.

25378944083 is a deficient number, since it is larger than the sum of its proper divisors (1).

25378944083 is an equidigital number, since it uses as much as digits as its factorization.

25378944083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 25378944083 in words is "twenty-five billion, three hundred seventy-eight million, nine hundred forty-four thousand, eighty-three".