25409710243 has 2 divisors, whose sum is σ = 25409710244. Its totient is φ = 25409710242.

The previous prime is 25409710219. The next prime is 25409710267. The reversal of 25409710243 is 34201790452.

It is a balanced prime because it is at equal distance from previous prime (25409710219) and next prime (25409710267).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25409710243 is a prime.

It is not a weakly prime, because it can be changed into another prime (25409710213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12704855121 + 12704855122.

It is an arithmetic number, because the mean of its divisors is an integer number (12704855122).

Almost surely, 2^25409710243 is an apocalyptic number.

25409710243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25409710243 is an equidigital number, since it uses as much as digits as its factorization.

25409710243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 25409710243 in words is "twenty-five billion, four hundred nine million, seven hundred ten thousand, two hundred forty-three".