4427231399 has 2 divisors, whose sum is σ = 4427231400. Its totient is φ = 4427231398.

The previous prime is 4427231381. The next prime is 4427231423. The reversal of 4427231399 is 9931327244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4427231399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4427231359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213615699 + 2213615700.

It is an arithmetic number, because the mean of its divisors is an integer number (2213615700).

Almost surely, 2^4427231399 is an apocalyptic number.

4427231399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427231399 is an equidigital number, since it uses as much as digits as its factorization.

4427231399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 4427231399 is about 66537.4435862996. The cubic root of 4427231399 is about 1642.0160857828.

The spelling of 4427231399 in words is "four billion, four hundred twenty-seven million, two hundred thirty-one thousand, three hundred ninety-nine".