2443881393897 has 8 divisors (see below), whose sum is σ = 3259312912800. Its totient is φ = 1628852068800.

The previous prime is 2443881393893. The next prime is 2443881393907. The reversal of 2443881393897 is 7983931883442.

2443881393897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2443881393897 - 2² = 2443881393893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2443881393893) 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, 100534272 + ... + 100558577.

It is an arithmetic number, because the mean of its divisors is an integer number (407414114100).

Almost surely, 2^{2443881393897} is an apocalyptic number.

It is an amenable number.

2443881393897 is a deficient number, since it is larger than the sum of its proper divisors (815431518903).

2443881393897 is a wasteful number, since it uses less digits than its factorization.

2443881393897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201096903.

The product of its digits is 250822656, while the sum is 69.

The spelling of 2443881393897 in words is "two trillion, four hundred forty-three billion, eight hundred eighty-one million, three hundred ninety-three thousand, eight hundred ninety-seven".