6477741065 has 4 divisors (see below), whose sum is σ = 7773289284. Its totient is φ = 5182192848.

The previous prime is 6477741043. The next prime is 6477741103. The reversal of 6477741065 is 5601477746.

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 3986533321 + 2491207744 = 63139^2 + 49912^2 .

It is a cyclic number.

It is not a de Polignac number, because 6477741065 - 2⁶ = 6477741001 is a prime.

It is a super-2 number, since 2×6477741065² = 83922258610374668450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647774102 + ... + 647774111.

It is an arithmetic number, because the mean of its divisors is an integer number (1943322321).

Almost surely, 2^6477741065 is an apocalyptic number.

It is an amenable number.

6477741065 is a deficient number, since it is larger than the sum of its proper divisors (1295548219).

6477741065 is a wasteful number, since it uses less digits than its factorization.

6477741065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295548218.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 6477741065 is about 80484.4150441562. The cubic root of 6477741065 is about 1864.1228414725.

The spelling of 6477741065 in words is "six billion, four hundred seventy-seven million, seven hundred forty-one thousand, sixty-five".