8618449501 has 4 divisors (see below), whose sum is σ = 8702123872. Its totient is φ = 8534775132.

The previous prime is 8618449397. The next prime is 8618449517. The reversal of 8618449501 is 1059448168.

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 8618449501 - 2⁷ = 8618449373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8618449601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41837031 + ... + 41837236.

It is an arithmetic number, because the mean of its divisors is an integer number (2175530968).

Almost surely, 2^8618449501 is an apocalyptic number.

It is an amenable number.

8618449501 is a deficient number, since it is larger than the sum of its proper divisors (83674371).

8618449501 is a wasteful number, since it uses less digits than its factorization.

8618449501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83674370.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 8618449501 is about 92835.6047053069. The cubic root of 8618449501 is about 2050.2636584144.

The spelling of 8618449501 in words is "eight billion, six hundred eighteen million, four hundred forty-nine thousand, five hundred one".