43643622660343 has 24 divisors (see below), whose sum is σ = 46595531446800. Its totient is φ = 40869867793536.

The previous prime is 43643622660301. The next prime is 43643622660359. The reversal of 43643622660343 is 34306622634634.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-43643622660343 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 (43643622661343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9591955 + ... + 13390027.

It is an arithmetic number, because the mean of its divisors is an integer number (1941480476950).

Almost surely, 2^{43643622660343} is an apocalyptic number.

43643622660343 is a deficient number, since it is larger than the sum of its proper divisors (2951908786457).

43643622660343 is a wasteful number, since it uses less digits than its factorization.

43643622660343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798479 (or 3798460 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 52.

The spelling of 43643622660343 in words is "forty-three trillion, six hundred forty-three billion, six hundred twenty-two million, six hundred sixty thousand, three hundred forty-three".