4864221893 has 2 divisors, whose sum is σ = 4864221894. Its totient is φ = 4864221892.

The previous prime is 4864221871. The next prime is 4864221899. The reversal of 4864221893 is 3981224684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4826497729 + 37724164 = 69473^2 + 6142^2 .

It is a cyclic number.

It is not a de Polignac number, because 4864221893 - 2¹⁴ = 4864205509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4864221899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432110946 + 2432110947.

It is an arithmetic number, because the mean of its divisors is an integer number (2432110947).

Almost surely, 2^4864221893 is an apocalyptic number.

It is an amenable number.

4864221893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4864221893 is an equidigital number, since it uses as much as digits as its factorization.

4864221893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 47.

The square root of 4864221893 is about 69743.9738830532. The cubic root of 4864221893 is about 1694.3551981019.

The spelling of 4864221893 in words is "four billion, eight hundred sixty-four million, two hundred twenty-one thousand, eight hundred ninety-three".