8464554649 has 8 divisors (see below), whose sum is σ = 8533277568. Its totient is φ = 8396107920.

The previous prime is 8464554613. The next prime is 8464554653. The reversal of 8464554649 is 9464554648.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8464554649 - 2¹⁹ = 8464030361 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 8464554649.

It is not an unprimeable number, because it can be changed into a prime (8464551649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7282 + ... + 130315.

It is an arithmetic number, because the mean of its divisors is an integer number (1066659696).

Almost surely, 2^8464554649 is an apocalyptic number.

It is an amenable number.

8464554649 is a deficient number, since it is larger than the sum of its proper divisors (68722919).

8464554649 is a wasteful number, since it uses less digits than its factorization.

8464554649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138095.

The product of its digits is 16588800, while the sum is 55.

The square root of 8464554649 is about 92003.0143473571. The cubic root of 8464554649 is about 2037.9868202499.

Subtracting 8464554649 from its reverse (9464554648), we obtain a palindrome (999999999).

The spelling of 8464554649 in words is "eight billion, four hundred sixty-four million, five hundred fifty-four thousand, six hundred forty-nine".