4061221543 has 8 divisors (see below), whose sum is σ = 4149132480. Its totient is φ = 3973373280.

The previous prime is 4061221531. The next prime is 4061221553. The reversal of 4061221543 is 3451221604.

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 4061221543 - 2¹⁷ = 4061090471 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 (4061221553) 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, 129753 + ... + 157981.

It is an arithmetic number, because the mean of its divisors is an integer number (518641560).

Almost surely, 2^4061221543 is an apocalyptic number.

4061221543 is a deficient number, since it is larger than the sum of its proper divisors (87910937).

4061221543 is a wasteful number, since it uses less digits than its factorization.

4061221543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31337.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4061221543 is about 63727.7140889268. The cubic root of 4061221543 is about 1595.4586775171.

The spelling of 4061221543 in words is "four billion, sixty-one million, two hundred twenty-one thousand, five hundred forty-three".