6761552905 has 4 divisors (see below), whose sum is σ = 8113863492. Its totient is φ = 5409242320.

The previous prime is 6761552899. The next prime is 6761552909. The reversal of 6761552905 is 5092551676.

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 2548634256 + 4212918649 = 50484^2 + 64907^2 .

It is not a de Polignac number, because 6761552905 - 2⁹ = 6761552393 is a prime.

It is a super-2 number, since 2×6761552905² = 91437195374227878050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6761552909) 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, 676155286 + ... + 676155295.

It is an arithmetic number, because the mean of its divisors is an integer number (2028465873).

Almost surely, 2^6761552905 is an apocalyptic number.

It is an amenable number.

6761552905 is a deficient number, since it is larger than the sum of its proper divisors (1352310587).

6761552905 is a wasteful number, since it uses less digits than its factorization.

6761552905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352310586.

The product of its (nonzero) digits is 567000, while the sum is 46.

The square root of 6761552905 is about 82228.6623082244. The cubic root of 6761552905 is about 1890.9591638666.

The spelling of 6761552905 in words is "six billion, seven hundred sixty-one million, five hundred fifty-two thousand, nine hundred five".