25467082447 has 2 divisors, whose sum is σ = 25467082448. Its totient is φ = 25467082446.

The previous prime is 25467082427. The next prime is 25467082471. The reversal of 25467082447 is 74428076452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25467082447 - 2¹⁵ = 25467049679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25467082447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25467082427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12733541223 + 12733541224.

It is an arithmetic number, because the mean of its divisors is an integer number (12733541224).

Almost surely, 2^25467082447 is an apocalyptic number.

25467082447 is a deficient number, since it is larger than the sum of its proper divisors (1).

25467082447 is an equidigital number, since it uses as much as digits as its factorization.

25467082447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 25467082447 in words is "twenty-five billion, four hundred sixty-seven million, eighty-two thousand, four hundred forty-seven".