8529644949 has 16 divisors (see below), whose sum is σ = 13051944960. Its totient is φ = 4853686320.

The previous prime is 8529644933. The next prime is 8529644951. The reversal of 8529644949 is 9494469258.

It is not a de Polignac number, because 8529644949 - 2⁴ = 8529644933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8529644892 and 8529644901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8529644989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844717 + ... + 854754.

It is an arithmetic number, because the mean of its divisors is an integer number (815746560).

Almost surely, 2^8529644949 is an apocalyptic number.

It is an amenable number.

8529644949 is a deficient number, since it is larger than the sum of its proper divisors (4522300011).

8529644949 is a wasteful number, since it uses less digits than its factorization.

8529644949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699720.

The product of its digits is 22394880, while the sum is 60.

The square root of 8529644949 is about 92356.0769467824. The cubic root of 8529644949 is about 2043.1973560672.

The spelling of 8529644949 in words is "eight billion, five hundred twenty-nine million, six hundred forty-four thousand, nine hundred forty-nine".