4221440959 has 2 divisors, whose sum is σ = 4221440960. Its totient is φ = 4221440958.

The previous prime is 4221440921. The next prime is 4221441001. The reversal of 4221440959 is 9590441224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221440959 - 2¹⁷ = 4221309887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221446959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110720479 + 2110720480.

It is an arithmetic number, because the mean of its divisors is an integer number (2110720480).

Almost surely, 2^4221440959 is an apocalyptic number.

4221440959 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221440959 is an equidigital number, since it uses as much as digits as its factorization.

4221440959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4221440959 is about 64972.6169936228. The cubic root of 4221440959 is about 1616.1694997875.

The spelling of 4221440959 in words is "four billion, two hundred twenty-one million, four hundred forty thousand, nine hundred fifty-nine".