8494973949 has 16 divisors (see below), whose sum is σ = 14121515520. Its totient is φ = 4412973360.

The previous prime is 8494973923. The next prime is 8494973957. The reversal of 8494973949 is 9493794948.

It is not a de Polignac number, because 8494973949 - 2⁸ = 8494973693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8494973949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494973909) 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, 18387159 + ... + 18387620.

It is an arithmetic number, because the mean of its divisors is an integer number (882594720).

Almost surely, 2^8494973949 is an apocalyptic number.

It is an amenable number.

8494973949 is a deficient number, since it is larger than the sum of its proper divisors (5626541571).

8494973949 is a wasteful number, since it uses less digits than its factorization.

8494973949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36774800.

The product of its digits is 70543872, while the sum is 66.

The square root of 8494973949 is about 92168.1829537721. The cubic root of 8494973949 is about 2040.4252244594.

The spelling of 8494973949 in words is "eight billion, four hundred ninety-four million, nine hundred seventy-three thousand, nine hundred forty-nine".