4221642657343 has 8 divisors (see below), whose sum is σ = 4249651862880. Its totient is φ = 4193634127200.

The previous prime is 4221642657313. The next prime is 4221642657383. The reversal of 4221642657343 is 3437562461224.

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 4221642657343 - 2⁵ = 4221642657311 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 (4221642657313) 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, 21924321 + ... + 22116037.

It is an arithmetic number, because the mean of its divisors is an integer number (531206482860).

Almost surely, 2^{4221642657343} is an apocalyptic number.

4221642657343 is a deficient number, since it is larger than the sum of its proper divisors (28009205537).

4221642657343 is a wasteful number, since it uses less digits than its factorization.

4221642657343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337697.

The product of its digits is 5806080, while the sum is 49.

The spelling of 4221642657343 in words is "four trillion, two hundred twenty-one billion, six hundred forty-two million, six hundred fifty-seven thousand, three hundred forty-three".