25944533343 has 12 divisors (see below), whose sum is σ = 37491982840. Its totient is φ = 17288719056.

The previous prime is 25944533317. The next prime is 25944533413. The reversal of 25944533343 is 34333544952.

It is a happy number.

25944533343 is a `hidden beast` number, since 2 + 594 + 4 + 53 + 3 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 25944533343 - 2¹⁶ = 25944467807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25944533143) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 614821 + ... + 655662.

Almost surely, 2^25944533343 is an apocalyptic number.

25944533343 is a deficient number, since it is larger than the sum of its proper divisors (11547449497).

25944533343 is a wasteful number, since it uses less digits than its factorization.

25944533343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272758 (or 1272755 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 45.

The spelling of 25944533343 in words is "twenty-five billion, nine hundred forty-four million, five hundred thirty-three thousand, three hundred forty-three".