8271320469 has 8 divisors (see below), whose sum is σ = 11052044640. Its totient is φ = 5502404976.

The previous prime is 8271320413. The next prime is 8271320501. The reversal of 8271320469 is 9640231728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8271320469 - 2¹⁵ = 8271287701 is a prime.

It is a super-2 number, since 2×8271320469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8271320469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8271320269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950534 + ... + 2953335.

It is an arithmetic number, because the mean of its divisors is an integer number (1381505580).

Almost surely, 2^8271320469 is an apocalyptic number.

It is an amenable number.

8271320469 is a deficient number, since it is larger than the sum of its proper divisors (2780724171).

8271320469 is a wasteful number, since it uses less digits than its factorization.

8271320469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904339.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 8271320469 is about 90946.8002130916. The cubic root of 8271320469 is about 2022.3591419658.

The spelling of 8271320469 in words is "eight billion, two hundred seventy-one million, three hundred twenty thousand, four hundred sixty-nine".