8469147994 has 32 divisors (see below), whose sum is σ = 13252144320. Its totient is φ = 4054374912.

The previous prime is 8469147977. The next prime is 8469147997. The reversal of 8469147994 is 4997419648.

It is not an unprimeable number, because it can be changed into a prime (8469147997) 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 15 ways as a sum of consecutive naturals, for example, 3724842 + ... + 3727114.

It is an arithmetic number, because the mean of its divisors is an integer number (414129510).

Almost surely, 2^8469147994 is an apocalyptic number.

8469147994 is a deficient number, since it is larger than the sum of its proper divisors (4782996326).

8469147994 is a wasteful number, since it uses less digits than its factorization.

8469147994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its digits is 15676416, while the sum is 61.

The square root of 8469147994 is about 92027.9739753082. The cubic root of 8469147994 is about 2038.3553958048.

The spelling of 8469147994 in words is "eight billion, four hundred sixty-nine million, one hundred forty-seven thousand, nine hundred ninety-four".