8494664949 has 12 divisors (see below), whose sum is σ = 12693177900. Its totient is φ = 5467830144.

The previous prime is 8494664923. The next prime is 8494664987. The reversal of 8494664949 is 9494664948.

8494664949 is a `hidden beast` number, since 8 + 494 + 66 + 49 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1900088100 + 6594576849 = 43590^2 + 81207^2 .

It is not a de Polignac number, because 8494664949 - 2⁸ = 8494664693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494664149) 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 11 ways as a sum of consecutive naturals, for example, 16273044 + ... + 16273565.

It is an arithmetic number, because the mean of its divisors is an integer number (1057764825).

Almost surely, 2^8494664949 is an apocalyptic number.

It is an amenable number.

8494664949 is a deficient number, since it is larger than the sum of its proper divisors (4198512951).

8494664949 is a wasteful number, since it uses less digits than its factorization.

8494664949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32546644 (or 32546641 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The square root of 8494664949 is about 92166.5066550751. The cubic root of 8494664949 is about 2040.4004843780.

Subtracting 8494664949 from its reverse (9494664948), we obtain a palindrome (999999999).

The spelling of 8494664949 in words is "eight billion, four hundred ninety-four million, six hundred sixty-four thousand, nine hundred forty-nine".