6775994133 has 6 divisors (see below), whose sum is σ = 9787547094. Its totient is φ = 4517329416.

The previous prime is 6775994129. The next prime is 6775994161. The reversal of 6775994133 is 3314995776.

It is a happy number.

6775994133 is a `hidden beast` number, since 6 + 7 + 7 + 599 + 41 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6516848529 + 259145604 = 80727^2 + 16098^2 .

It is not a de Polignac number, because 6775994133 - 2² = 6775994129 is a prime.

It is a super-3 number, since 3×6775994133³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6775994133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775994233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376444110 + ... + 376444127.

It is an arithmetic number, because the mean of its divisors is an integer number (1631257849).

Almost surely, 2^6775994133 is an apocalyptic number.

It is an amenable number.

6775994133 is a deficient number, since it is larger than the sum of its proper divisors (3011552961).

6775994133 is a wasteful number, since it uses less digits than its factorization.

6775994133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752888243 (or 752888240 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The square root of 6775994133 is about 82316.4268721620. The cubic root of 6775994133 is about 1892.3044344309.

The spelling of 6775994133 in words is "six billion, seven hundred seventy-five million, nine hundred ninety-four thousand, one hundred thirty-three".