8447682949 has 16 divisors (see below), whose sum is σ = 9027735552. Its totient is φ = 7885685808.

The previous prime is 8447682923. The next prime is 8447682973. The reversal of 8447682949 is 9492867448.

8447682949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8447682949 - 2⁹ = 8447682437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8447685949) 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, 1428132 + ... + 1434034.

It is an arithmetic number, because the mean of its divisors is an integer number (564233472).

Almost surely, 2^8447682949 is an apocalyptic number.

It is an amenable number.

8447682949 is a deficient number, since it is larger than the sum of its proper divisors (580052603).

8447682949 is a wasteful number, since it uses less digits than its factorization.

8447682949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416.

The product of its digits is 27869184, while the sum is 61.

The square root of 8447682949 is about 91911.2775942104. The cubic root of 8447682949 is about 2036.6318691577.

The spelling of 8447682949 in words is "eight billion, four hundred forty-seven million, six hundred eighty-two thousand, nine hundred forty-nine".