8269505005 has 16 divisors (see below), whose sum is σ = 10484017920. Its totient is φ = 6251570752.

The previous prime is 8269504981. The next prime is 8269505017. The reversal of 8269505005 is 5005059628.

It is a cyclic number.

It is not a de Polignac number, because 8269505005 - 2⁷ = 8269504877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599899 + ... + 613528.

It is an arithmetic number, because the mean of its divisors is an integer number (655251120).

Almost surely, 2^8269505005 is an apocalyptic number.

It is an amenable number.

8269505005 is a deficient number, since it is larger than the sum of its proper divisors (2214512915).

8269505005 is a wasteful number, since it uses less digits than its factorization.

8269505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213508.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 8269505005 is about 90936.8187534620. The cubic root of 8269505005 is about 2022.2111692657.

The spelling of 8269505005 in words is "eight billion, two hundred sixty-nine million, five hundred five thousand, five".