2425444204655 has 4 divisors (see below), whose sum is σ = 2910533045592. Its totient is φ = 1940355363720.

The previous prime is 2425444204649. The next prime is 2425444204669. The reversal of 2425444204655 is 5564024445242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2425444204655 - 2¹² = 2425444200559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242544420461 + ... + 242544420470.

It is an arithmetic number, because the mean of its divisors is an integer number (727633261398).

Almost surely, 2^{2425444204655} is an apocalyptic number.

2425444204655 is a deficient number, since it is larger than the sum of its proper divisors (485088840937).

2425444204655 is an equidigital number, since it uses as much as digits as its factorization.

2425444204655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485088840936.

The product of its (nonzero) digits is 6144000, while the sum is 47.

Adding to 2425444204655 its reverse (5564024445242), we get a palindrome (7989468649897).

The spelling of 2425444204655 in words is "two trillion, four hundred twenty-five billion, four hundred forty-four million, two hundred four thousand, six hundred fifty-five".