4321212319 has 2 divisors, whose sum is σ = 4321212320. Its totient is φ = 4321212318.

The previous prime is 4321212299. The next prime is 4321212323. The reversal of 4321212319 is 9132121234.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4321212319 - 2¹³ = 4321204127 is a prime.

It is a super-2 number, since 2×4321212319² = 37345751811754715522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160606159 + 2160606160.

It is an arithmetic number, because the mean of its divisors is an integer number (2160606160).

Almost surely, 2^4321212319 is an apocalyptic number.

4321212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321212319 is an equidigital number, since it uses as much as digits as its factorization.

4321212319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 4321212319 is about 65735.9286767898. The cubic root of 4321212319 is about 1628.8029047844.

The spelling of 4321212319 in words is "four billion, three hundred twenty-one million, two hundred twelve thousand, three hundred nineteen".