6551675705 has 4 divisors (see below), whose sum is σ = 7862010852. Its totient is φ = 5241340560.

The previous prime is 6551675681. The next prime is 6551675707. The reversal of 6551675705 is 5075761556.

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 2187619984 + 4364055721 = 46772^2 + 66061^2 .

It is not a de Polignac number, because 6551675705 - 2²⁰ = 6550627129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6551675705.

It is not an unprimeable number, because it can be changed into a prime (6551675707) 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, 655167566 + ... + 655167575.

It is an arithmetic number, because the mean of its divisors is an integer number (1965502713).

Almost surely, 2^6551675705 is an apocalyptic number.

It is an amenable number.

6551675705 is a deficient number, since it is larger than the sum of its proper divisors (1310335147).

6551675705 is a wasteful number, since it uses less digits than its factorization.

6551675705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310335146.

The product of its (nonzero) digits is 1102500, while the sum is 47.

The square root of 6551675705 is about 80942.4221592114. The cubic root of 6551675705 is about 1871.1881746075.

The spelling of 6551675705 in words is "six billion, five hundred fifty-one million, six hundred seventy-five thousand, seven hundred five".