4213444399 has 4 divisors (see below), whose sum is σ = 4282517320. Its totient is φ = 4144371480.

The previous prime is 4213444379. The next prime is 4213444429. The reversal of 4213444399 is 9934443124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4213444399 is a prime.

It is a super-2 number, since 2×4213444399² = 35506227406928942402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213444379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34536369 + ... + 34536490.

It is an arithmetic number, because the mean of its divisors is an integer number (1070629330).

Almost surely, 2^4213444399 is an apocalyptic number.

4213444399 is a deficient number, since it is larger than the sum of its proper divisors (69072921).

4213444399 is an equidigital number, since it uses as much as digits as its factorization.

4213444399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69072920.

The product of its digits is 373248, while the sum is 43.

The square root of 4213444399 is about 64911.0498990734. The cubic root of 4213444399 is about 1615.1483662064.

The spelling of 4213444399 in words is "four billion, two hundred thirteen million, four hundred forty-four thousand, three hundred ninety-nine".