6428168263 has 4 divisors (see below), whose sum is σ = 7012547208. Its totient is φ = 5843789320.

The previous prime is 6428168261. The next prime is 6428168269. The reversal of 6428168263 is 3628618246.

6428168263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6428168263 - 2¹ = 6428168261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428168261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292189456 + ... + 292189477.

It is an arithmetic number, because the mean of its divisors is an integer number (1753136802).

Almost surely, 2^6428168263 is an apocalyptic number.

6428168263 is a deficient number, since it is larger than the sum of its proper divisors (584378945).

6428168263 is a wasteful number, since it uses less digits than its factorization.

6428168263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584378944.

The product of its digits is 663552, while the sum is 46.

The square root of 6428168263 is about 80175.8583552431. The cubic root of 6428168263 is about 1859.3554114936.

The spelling of 6428168263 in words is "six billion, four hundred twenty-eight million, one hundred sixty-eight thousand, two hundred sixty-three".