6403763299 has 4 divisors (see below), whose sum is σ = 6512301720. Its totient is φ = 6295224880.

The previous prime is 6403763243. The next prime is 6403763321. The reversal of 6403763299 is 9923673046.

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

It is a cyclic number.

It is not a de Polignac number, because 6403763299 - 2²¹ = 6401666147 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6403713299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54269122 + ... + 54269239.

It is an arithmetic number, because the mean of its divisors is an integer number (1628075430).

Almost surely, 2^6403763299 is an apocalyptic number.

6403763299 is a deficient number, since it is larger than the sum of its proper divisors (108538421).

6403763299 is a wasteful number, since it uses less digits than its factorization.

6403763299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108538420.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The square root of 6403763299 is about 80023.5171621443. The cubic root of 6403763299 is about 1856.9993722780. Note that the first 3 decimals are identical.

The spelling of 6403763299 in words is "six billion, four hundred three million, seven hundred sixty-three thousand, two hundred ninety-nine".