25343444312 has 8 divisors (see below), whose sum is σ = 47518958100. Its totient is φ = 12671722152.

The previous prime is 25343444303. The next prime is 25343444327. The reversal of 25343444312 is 21344434352.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 1583965262 + ... + 1583965277.

Almost surely, 2^25343444312 is an apocalyptic number.

It is an amenable number.

25343444312 is a deficient number, since it is larger than the sum of its proper divisors (22175513788).

25343444312 is a wasteful number, since it uses less digits than its factorization.

25343444312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167930545 (or 3167930541 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

Adding to 25343444312 its reverse (21344434352), we get a palindrome (46687878664).

The spelling of 25343444312 in words is "twenty-five billion, three hundred forty-three million, four hundred forty-four thousand, three hundred twelve".