8449573969998 has 288 divisors, whose sum is σ = 23180011293600. Its totient is φ = 2273119511040.

The previous prime is 8449573969973. The next prime is 8449573970003. The reversal of 8449573969998 is 8999693759448.

8449573969998 is a `hidden beast` number, since 8 + 4 + 49 + 5 + 7 + 396 + 99 + 98 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 94038918 + ... + 94128726.

It is an arithmetic number, because the mean of its divisors is an integer number (80486150325).

Almost surely, 2^{8449573969998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8449573969998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11590005646800).

8449573969998 is an abundant number, since it is smaller than the sum of its proper divisors (14730437323602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8449573969998 is a wasteful number, since it uses less digits than its factorization.

8449573969998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89933 (or 89889 counting only the distinct ones).

The product of its digits is 38093690880, while the sum is 90.

The spelling of 8449573969998 in words is "eight trillion, four hundred forty-nine billion, five hundred seventy-three million, nine hundred sixty-nine thousand, nine hundred ninety-eight".