443948641829 has 32 divisors (see below), whose sum is σ = 582713395200. Its totient is φ = 327677624640.

The previous prime is 443948641733. The next prime is 443948641831. The reversal of 443948641829 is 928146849344.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 443948641829 - 2²⁴ = 443931864613 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 (443948641229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11786144 + ... + 11823750.

It is an arithmetic number, because the mean of its divisors is an integer number (18209793600).

Almost surely, 2^443948641829 is an apocalyptic number.

It is an amenable number.

443948641829 is a deficient number, since it is larger than the sum of its proper divisors (138764753371).

443948641829 is a wasteful number, since it uses less digits than its factorization.

443948641829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45713.

The product of its digits is 47775744, while the sum is 62.

The spelling of 443948641829 in words is "four hundred forty-three billion, nine hundred forty-eight million, six hundred forty-one thousand, eight hundred twenty-nine".