6728895117290 has 16 divisors (see below), whose sum is σ = 12112122716712. Its totient is φ = 2691533267904.

The previous prime is 6728895117271. The next prime is 6728895117383. The reversal of 6728895117290 is 927115988276.

It can be written as a sum of positive squares in 4 ways, for example, as 4331572425049 + 2397322692241 = 2081243^2 + 1548329^2 .

It is a super-3 number, since 3×6728895117290³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936109 + ... + 4148048.

Almost surely, 2^{6728895117290} is an apocalyptic number.

6728895117290 is a deficient number, since it is larger than the sum of its proper divisors (5383227599422).

6728895117290 is a wasteful number, since it uses less digits than its factorization.

6728895117290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194761.

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 6728895117290 in words is "six trillion, seven hundred twenty-eight billion, eight hundred ninety-five million, one hundred seventeen thousand, two hundred ninety".