8417475649 has 12 divisors (see below), whose sum is σ = 9510274800. Its totient is φ = 7388371760.

The previous prime is 8417475637. The next prime is 8417475697. The reversal of 8417475649 is 9465747148.

It is not a de Polignac number, because 8417475649 - 2²⁹ = 7880604737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8417475649.

It is not an unprimeable number, because it can be changed into a prime (8417475629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445699 + ... + 464200.

It is an arithmetic number, because the mean of its divisors is an integer number (792522900).

Almost surely, 2^8417475649 is an apocalyptic number.

It is an amenable number.

8417475649 is a deficient number, since it is larger than the sum of its proper divisors (1092799151).

8417475649 is a wasteful number, since it uses less digits than its factorization.

8417475649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909968 (or 909939 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The square root of 8417475649 is about 91746.8018461679. The cubic root of 8417475649 is about 2034.2014344635.

The spelling of 8417475649 in words is "eight billion, four hundred seventeen million, four hundred seventy-five thousand, six hundred forty-nine".