8214209469 has 24 divisors (see below), whose sum is σ = 12260268800. Its totient is φ = 5294056320.

The previous prime is 8214209467. The next prime is 8214209483. The reversal of 8214209469 is 9649024128.

8214209469 is a `hidden beast` number, since 82 + 1 + 420 + 94 + 69 = 666.

It is not a de Polignac number, because 8214209469 - 2¹ = 8214209467 is a prime.

It is a super-2 number, since 2×8214209469² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8214209467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266922 + ... + 296100.

Almost surely, 2^8214209469 is an apocalyptic number.

It is an amenable number.

8214209469 is a deficient number, since it is larger than the sum of its proper divisors (4046059331).

8214209469 is a wasteful number, since it uses less digits than its factorization.

8214209469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30225 (or 30222 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8214209469 is about 90632.2760885988. The cubic root of 8214209469 is about 2017.6937923232.

The spelling of 8214209469 in words is "eight billion, two hundred fourteen million, two hundred nine thousand, four hundred sixty-nine".