8629647849 has 32 divisors (see below), whose sum is σ = 12857331200. Its totient is φ = 5720492160.

The previous prime is 8629647833. The next prime is 8629647869. The reversal of 8629647849 is 9487469268.

It is not a de Polignac number, because 8629647849 - 2⁴ = 8629647833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8629647809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5362557 + ... + 5364165.

It is an arithmetic number, because the mean of its divisors is an integer number (401791600).

Almost surely, 2^8629647849 is an apocalyptic number.

It is an amenable number.

8629647849 is a deficient number, since it is larger than the sum of its proper divisors (4227683351).

8629647849 is a wasteful number, since it uses less digits than its factorization.

8629647849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2616 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The square root of 8629647849 is about 92895.8979126635. The cubic root of 8629647849 is about 2051.1512747220.

The spelling of 8629647849 in words is "eight billion, six hundred twenty-nine million, six hundred forty-seven thousand, eight hundred forty-nine".