2864438399 has 2 divisors, whose sum is σ = 2864438400. Its totient is φ = 2864438398.

The previous prime is 2864438387. The next prime is 2864438417. The reversal of 2864438399 is 9938344682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2864438399 - 2¹² = 2864434303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864434399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432219199 + 1432219200.

It is an arithmetic number, because the mean of its divisors is an integer number (1432219200).

Almost surely, 2^2864438399 is an apocalyptic number.

2864438399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864438399 is an equidigital number, since it uses as much as digits as its factorization.

2864438399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 56.

The square root of 2864438399 is about 53520.4484192724. The cubic root of 2864438399 is about 1420.1901482786.

The spelling of 2864438399 in words is "two billion, eight hundred sixty-four million, four hundred thirty-eight thousand, three hundred ninety-nine".