42441643389 has 8 divisors (see below), whose sum is σ = 59049243072. Its totient is φ = 27064236320.

The previous prime is 42441643367. The next prime is 42441643393. The reversal of 42441643389 is 98334614424.

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 42441643389 - 2⁷ = 42441643261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42441643399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307548072 + ... + 307548209.

It is an arithmetic number, because the mean of its divisors is an integer number (7381155384).

Almost surely, 2^42441643389 is an apocalyptic number.

It is an amenable number.

42441643389 is a deficient number, since it is larger than the sum of its proper divisors (16607599683).

42441643389 is a wasteful number, since it uses less digits than its factorization.

42441643389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615096307.

The product of its digits is 1990656, while the sum is 48.

The spelling of 42441643389 in words is "forty-two billion, four hundred forty-one million, six hundred forty-three thousand, three hundred eighty-nine".