25443433434452 has 12 divisors (see below), whose sum is σ = 48573827465856. Its totient is φ = 11565197015640.

The previous prime is 25443433434437. The next prime is 25443433434553.

It is a happy number.

25443433434452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25443433434452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289129925348 + ... + 289129925435.

It is an arithmetic number, because the mean of its divisors is an integer number (4047818955488).

Almost surely, 2^{25443433434452} is an apocalyptic number.

25443433434452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25443433434452 is a deficient number, since it is larger than the sum of its proper divisors (23130394031404).

25443433434452 is a wasteful number, since it uses less digits than its factorization.

25443433434452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578259850798 (or 578259850796 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 50.

It can be divided in two parts, 2544343 and 3434452, that added together give a palindrome (5978795).

The spelling of 25443433434452 in words is "twenty-five trillion, four hundred forty-three billion, four hundred thirty-three million, four hundred thirty-four thousand, four hundred fifty-two".