8998449259967 has 8 divisors (see below), whose sum is σ = 9049456483056. Its totient is φ = 8947495873792.

The previous prime is 8998449259907. The next prime is 8998449259973. The reversal of 8998449259967 is 7699529448998.

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 8998449259967 - 2¹⁰ = 8998449258943 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 (8998449259907) 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, 13123973 + ... + 13792590.

It is an arithmetic number, because the mean of its divisors is an integer number (1131182060382).

Almost surely, 2^{8998449259967} is an apocalyptic number.

8998449259967 is a deficient number, since it is larger than the sum of its proper divisors (51007223089).

8998449259967 is a wasteful number, since it uses less digits than its factorization.

8998449259967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918457.

The product of its digits is 25395793920, while the sum is 89.

The spelling of 8998449259967 in words is "eight trillion, nine hundred ninety-eight billion, four hundred forty-nine million, two hundred fifty-nine thousand, nine hundred sixty-seven".