8318474949 has 16 divisors (see below), whose sum is σ = 11839495680. Its totient is φ = 5179774320.

The previous prime is 8318474891. The next prime is 8318474977. The reversal of 8318474949 is 9494748138.

It is a happy number.

It is not a de Polignac number, because 8318474949 - 2²⁸ = 8050039493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318474449) 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, 1023687 + ... + 1031780.

It is an arithmetic number, because the mean of its divisors is an integer number (739968480).

Almost surely, 2^8318474949 is an apocalyptic number.

It is an amenable number.

8318474949 is a deficient number, since it is larger than the sum of its proper divisors (3521020731).

8318474949 is a wasteful number, since it uses less digits than its factorization.

8318474949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055560.

The product of its digits is 6967296, while the sum is 57.

The square root of 8318474949 is about 91205.6738860034. The cubic root of 8318474949 is about 2026.1949924017.

The spelling of 8318474949 in words is "eight billion, three hundred eighteen million, four hundred seventy-four thousand, nine hundred forty-nine".