25460050849 has 2 divisors, whose sum is σ = 25460050850. Its totient is φ = 25460050848.

The previous prime is 25460050831. The next prime is 25460050873. The reversal of 25460050849 is 94805006452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17320402449 + 8139648400 = 131607^2 + 90220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25460050849 is a prime.

It is not a weakly prime, because it can be changed into another prime (25460050549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730025424 + 12730025425.

It is an arithmetic number, because the mean of its divisors is an integer number (12730025425).

Almost surely, 2^25460050849 is an apocalyptic number.

It is an amenable number.

25460050849 is a deficient number, since it is larger than the sum of its proper divisors (1).

25460050849 is an equidigital number, since it uses as much as digits as its factorization.

25460050849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 25460050849 in words is "twenty-five billion, four hundred sixty million, fifty thousand, eight hundred forty-nine".