6775009381998 has 48 divisors (see below), whose sum is σ = 17245478433456. Its totient is φ = 1895107518720.

The previous prime is 6775009381991. The next prime is 6775009382023. The reversal of 6775009381998 is 8991839005776.

6775009381998 is a `hidden beast` number, since 6 + 77 + 500 + 9 + 38 + 19 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775009381991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316044315 + ... + 1316049462.

It is an arithmetic number, because the mean of its divisors is an integer number (359280800697).

Almost surely, 2^{6775009381998} is an apocalyptic number.

6775009381998 is an abundant number, since it is smaller than the sum of its proper divisors (10470469051458).

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

6775009381998 is a wasteful number, since it uses less digits than its factorization.

6775009381998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632093809 (or 2632093806 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 72.

The spelling of 6775009381998 in words is "six trillion, seven hundred seventy-five billion, nine million, three hundred eighty-one thousand, nine hundred ninety-eight".