8601498649 has 4 divisors (see below), whose sum is σ = 8621092480. Its totient is φ = 8581904820.

The previous prime is 8601498637. The next prime is 8601498673. The reversal of 8601498649 is 9468941068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8601498649 - 2¹⁵ = 8601465881 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 8601498649.

It is not an unprimeable number, because it can be changed into a prime (8601498149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9796257 + ... + 9797134.

It is an arithmetic number, because the mean of its divisors is an integer number (2155273120).

Almost surely, 2^8601498649 is an apocalyptic number.

It is an amenable number.

8601498649 is a deficient number, since it is larger than the sum of its proper divisors (19593831).

8601498649 is a wasteful number, since it uses less digits than its factorization.

8601498649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19593830.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 8601498649 is about 92744.2647768583. The cubic root of 8601498649 is about 2048.9186165787.

The spelling of 8601498649 in words is "eight billion, six hundred one million, four hundred ninety-eight thousand, six hundred forty-nine".