4221790863 has 16 divisors (see below), whose sum is σ = 5962242816. Its totient is φ = 2648048000.

The previous prime is 4221790799. The next prime is 4221790871. The reversal of 4221790863 is 3680971224.

It is a cyclic number.

It is not a de Polignac number, because 4221790863 - 2⁶ = 4221790799 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221790873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153070 + ... + 178532.

It is an arithmetic number, because the mean of its divisors is an integer number (372640176).

Almost surely, 2^4221790863 is an apocalyptic number.

4221790863 is a deficient number, since it is larger than the sum of its proper divisors (1740451953).

4221790863 is a wasteful number, since it uses less digits than its factorization.

4221790863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28734.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 4221790863 is about 64975.3096414323. The cubic root of 4221790863 is about 1616.2141518826.

The spelling of 4221790863 in words is "four billion, two hundred twenty-one million, seven hundred ninety thousand, eight hundred sixty-three".