4221165967 has 2 divisors, whose sum is σ = 4221165968. Its totient is φ = 4221165966.

The previous prime is 4221165869. The next prime is 4221165997. The reversal of 4221165967 is 7695611224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221165967 - 2¹⁵ = 4221133199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221165997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110582983 + 2110582984.

It is an arithmetic number, because the mean of its divisors is an integer number (2110582984).

Almost surely, 2^4221165967 is an apocalyptic number.

4221165967 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221165967 is an equidigital number, since it uses as much as digits as its factorization.

4221165967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 4221165967 is about 64970.5007445687. The cubic root of 4221165967 is about 1616.1344056622.

The spelling of 4221165967 in words is "four billion, two hundred twenty-one million, one hundred sixty-five thousand, nine hundred sixty-seven".