63444873443 has 8 divisors (see below), whose sum is σ = 76773628512. Its totient is φ = 51182418816.

The previous prime is 63444873379. The next prime is 63444873449. The reversal of 63444873443 is 34437844436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63444873443 - 2⁶ = 63444873379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63444873391 and 63444873400.

It is not an unprimeable number, because it can be changed into a prime (63444873449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266574980 + ... + 266575217.

It is an arithmetic number, because the mean of its divisors is an integer number (9596703564).

Almost surely, 2^63444873443 is an apocalyptic number.

63444873443 is a deficient number, since it is larger than the sum of its proper divisors (13328755069).

63444873443 is a wasteful number, since it uses less digits than its factorization.

63444873443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533150221.

The product of its digits is 9289728, while the sum is 50.

The spelling of 63444873443 in words is "sixty-three billion, four hundred forty-four million, eight hundred seventy-three thousand, four hundred forty-three".