63273444366 has 32 divisors (see below), whose sum is σ = 138083097600. Its totient is φ = 19169334080.

The previous prime is 63273444349. The next prime is 63273444371. The reversal of 63273444366 is 66344437236.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 182275 + ... + 399713.

It is an arithmetic number, because the mean of its divisors is an integer number (4315096800).

Almost surely, 2^63273444366 is an apocalyptic number.

63273444366 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

63273444366 is an abundant number, since it is smaller than the sum of its proper divisors (74809653234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63273444366 is a wasteful number, since it uses less digits than its factorization.

63273444366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221864.

The product of its digits is 5225472, while the sum is 48.

The spelling of 63273444366 in words is "sixty-three billion, two hundred seventy-three million, four hundred forty-four thousand, three hundred sixty-six".