3211240643543 has 8 divisors (see below), whose sum is σ = 3259204570368. Its totient is φ = 3163277745144.

The previous prime is 3211240643521. The next prime is 3211240643587. The reversal of 3211240643543 is 3453460421123.

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 3211240643543 - 2⁸ = 3211240643287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211240643497 and 3211240643506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211240643593) 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, 7999730 + ... + 8391552.

It is an arithmetic number, because the mean of its divisors is an integer number (407400571296).

Almost surely, 2^{3211240643543} is an apocalyptic number.

3211240643543 is a deficient number, since it is larger than the sum of its proper divisors (47963926825).

3211240643543 is a wasteful number, since it uses less digits than its factorization.

3211240643543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514213.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 3211240643543 in words is "three trillion, two hundred eleven billion, two hundred forty million, six hundred forty-three thousand, five hundred forty-three".