6403052263 has 16 divisors (see below), whose sum is σ = 6658329600. Its totient is φ = 6150997440.

The previous prime is 6403052221. The next prime is 6403052267. The reversal of 6403052263 is 3622503046.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6403052263 - 2¹³ = 6403044071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403052267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2736348 + ... + 2738686.

It is an arithmetic number, because the mean of its divisors is an integer number (416145600).

Almost surely, 2^6403052263 is an apocalyptic number.

6403052263 is a deficient number, since it is larger than the sum of its proper divisors (255277337).

6403052263 is a wasteful number, since it uses less digits than its factorization.

6403052263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 6403052263 is about 80019.0743698026. The cubic root of 6403052263 is about 1856.9306396585.

The spelling of 6403052263 in words is "six billion, four hundred three million, fifty-two thousand, two hundred sixty-three".