25190580643 has 2 divisors, whose sum is σ = 25190580644. Its totient is φ = 25190580642.

The previous prime is 25190580601. The next prime is 25190580673. The reversal of 25190580643 is 34608509152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25190580643 - 2²⁵ = 25157026211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25190580643.

It is not a weakly prime, because it can be changed into another prime (25190580673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12595290321 + 12595290322.

It is an arithmetic number, because the mean of its divisors is an integer number (12595290322).

Almost surely, 2^25190580643 is an apocalyptic number.

25190580643 is a deficient number, since it is larger than the sum of its proper divisors (1).

25190580643 is an equidigital number, since it uses as much as digits as its factorization.

25190580643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 25190580643 in words is "twenty-five billion, one hundred ninety million, five hundred eighty thousand, six hundred forty-three".