6774697298221 has 16 divisors (see below), whose sum is σ = 6831612627840. Its totient is φ = 6718016975040.

The previous prime is 6774697298203. The next prime is 6774697298249. The reversal of 6774697298221 is 1228927964776.

It is a cyclic number.

It is not a de Polignac number, because 6774697298221 - 2¹⁷ = 6774697167149 is a prime.

It is a super-3 number, since 3×6774697298221³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774697298021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120761040 + ... + 120817126.

It is an arithmetic number, because the mean of its divisors is an integer number (426975789240).

Almost surely, 2^{6774697298221} is an apocalyptic number.

It is an amenable number.

6774697298221 is a deficient number, since it is larger than the sum of its proper divisors (56915329619).

6774697298221 is a wasteful number, since it uses less digits than its factorization.

6774697298221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58164.

The product of its digits is 256048128, while the sum is 70.

The spelling of 6774697298221 in words is "six trillion, seven hundred seventy-four billion, six hundred ninety-seven million, two hundred ninety-eight thousand, two hundred twenty-one".