6775354409 has 4 divisors (see below), whose sum is σ = 6775566420. Its totient is φ = 6775142400.

The previous prime is 6775354337. The next prime is 6775354429. The reversal of 6775354409 is 9044535776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6605625625 + 169728784 = 81275^2 + 13028^2 .

It is a cyclic number.

It is not a de Polignac number, because 6775354409 - 2¹² = 6775350313 is a prime.

It is a super-3 number, since 3×6775354409³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6775354429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47192 + ... + 125609.

It is an arithmetic number, because the mean of its divisors is an integer number (1693891605).

Almost surely, 2^6775354409 is an apocalyptic number.

It is an amenable number.

6775354409 is a deficient number, since it is larger than the sum of its proper divisors (212011).

6775354409 is a wasteful number, since it uses less digits than its factorization.

6775354409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212010.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The square root of 6775354409 is about 82312.5410189723. The cubic root of 6775354409 is about 1892.2448815134.

The spelling of 6775354409 in words is "six billion, seven hundred seventy-five million, three hundred fifty-four thousand, four hundred nine".