5226663891 has 16 divisors (see below), whose sum is σ = 7219143680. Its totient is φ = 3360108960.

The previous prime is 5226663863. The next prime is 5226663907. The reversal of 5226663891 is 1983666225.

It is not a de Polignac number, because 5226663891 - 2⁵ = 5226663859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5226663891.

It is not an unprimeable number, because it can be changed into a prime (5226663191) 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, 72976 + ... + 125613.

It is an arithmetic number, because the mean of its divisors is an integer number (451196480).

Almost surely, 2^5226663891 is an apocalyptic number.

5226663891 is a deficient number, since it is larger than the sum of its proper divisors (1992479789).

5226663891 is a wasteful number, since it uses less digits than its factorization.

5226663891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198906.

The product of its digits is 933120, while the sum is 48.

The square root of 5226663891 is about 72295.6699325762. The cubic root of 5226663891 is about 1735.4343566691.

The spelling of 5226663891 in words is "five billion, two hundred twenty-six million, six hundred sixty-three thousand, eight hundred ninety-one".