6806223629 has 4 divisors (see below), whose sum is σ = 6827694684. Its totient is φ = 6784752576.

The previous prime is 6806223607. The next prime is 6806223637. The reversal of 6806223629 is 9263226086.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1270566025 + 5535657604 = 35645^2 + 74402^2 .

It is a cyclic number.

It is not a de Polignac number, because 6806223629 - 2¹² = 6806219533 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 6806223629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806228629) 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, 10735052 + ... + 10735685.

It is an arithmetic number, because the mean of its divisors is an integer number (1706923671).

Almost surely, 2^6806223629 is an apocalyptic number.

It is an amenable number.

6806223629 is a deficient number, since it is larger than the sum of its proper divisors (21471055).

6806223629 is a wasteful number, since it uses less digits than its factorization.

6806223629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21471054.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 6806223629 is about 82499.8401756028. The cubic root of 6806223629 is about 1895.1142830389.

The spelling of 6806223629 in words is "six billion, eight hundred six million, two hundred twenty-three thousand, six hundred twenty-nine".