25034411449 has 2 divisors, whose sum is σ = 25034411450. Its totient is φ = 25034411448.

The previous prime is 25034411431. The next prime is 25034411461. The reversal of 25034411449 is 94411443052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17550950400 + 7483461049 = 132480^2 + 86507^2 .

It is a cyclic number.

It is not a de Polignac number, because 25034411449 - 2⁵ = 25034411417 is a prime.

It is not a weakly prime, because it can be changed into another prime (25034411749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517205724 + 12517205725.

It is an arithmetic number, because the mean of its divisors is an integer number (12517205725).

Almost surely, 2^25034411449 is an apocalyptic number.

It is an amenable number.

25034411449 is a deficient number, since it is larger than the sum of its proper divisors (1).

25034411449 is an equidigital number, since it uses as much as digits as its factorization.

25034411449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 25034411449 in words is "twenty-five billion, thirty-four million, four hundred eleven thousand, four hundred forty-nine".