5263423999 has 2 divisors, whose sum is σ = 5263424000. Its totient is φ = 5263423998.

The previous prime is 5263423981. The next prime is 5263424039. The reversal of 5263423999 is 9993243625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5263423999 - 2¹⁹ = 5262899711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5263423969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631711999 + 2631712000.

It is an arithmetic number, because the mean of its divisors is an integer number (2631712000).

Almost surely, 2^5263423999 is an apocalyptic number.

5263423999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5263423999 is an equidigital number, since it uses as much as digits as its factorization.

5263423999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 52.

The square root of 5263423999 is about 72549.4589848884. The cubic root of 5263423999 is about 1739.4934006533.

The spelling of 5263423999 in words is "five billion, two hundred sixty-three million, four hundred twenty-three thousand, nine hundred ninety-nine".