4221315019 has 2 divisors, whose sum is σ = 4221315020. Its totient is φ = 4221315018.

The previous prime is 4221315017. The next prime is 4221315071. The reversal of 4221315019 is 9105131224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221315019 - 2¹ = 4221315017 is a prime.

It is a super-2 number, since 2×4221315019² = 35639000979269940722, which contains 22 as substring.

Together with 4221315017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4221315013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110657509 + 2110657510.

It is an arithmetic number, because the mean of its divisors is an integer number (2110657510).

Almost surely, 2^4221315019 is an apocalyptic number.

4221315019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221315019 is an equidigital number, since it uses as much as digits as its factorization.

4221315019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 4221315019 is about 64971.6478088712. The cubic root of 4221315019 is about 1616.1534276759.

The spelling of 4221315019 in words is "four billion, two hundred twenty-one million, three hundred fifteen thousand, nineteen".