4213263449 has 2 divisors, whose sum is σ = 4213263450. Its totient is φ = 4213263448.

The previous prime is 4213263427. The next prime is 4213263491. The reversal of 4213263449 is 9443623124.

It is a happy number.

4213263449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2450943049 + 1762320400 = 49507^2 + 41980^2 .

It is a cyclic number.

It is not a de Polignac number, because 4213263449 - 2²⁴ = 4196486233 is a prime.

It is not a weakly prime, because it can be changed into another prime (4213263409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106631724 + 2106631725.

It is an arithmetic number, because the mean of its divisors is an integer number (2106631725).

Almost surely, 2^4213263449 is an apocalyptic number.

It is an amenable number.

4213263449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4213263449 is an equidigital number, since it uses as much as digits as its factorization.

4213263449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The square root of 4213263449 is about 64909.6560536258. The cubic root of 4213263449 is about 1615.1252445627.

The spelling of 4213263449 in words is "four billion, two hundred thirteen million, two hundred sixty-three thousand, four hundred forty-nine".