6774439065 has 32 divisors (see below), whose sum is σ = 11051251200. Its totient is φ = 3542413056.

The previous prime is 6774439057. The next prime is 6774439069. The reversal of 6774439065 is 5609344776.

It is not a de Polignac number, because 6774439065 - 2³ = 6774439057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6774438999 and 6774439017.

It is not an unprimeable number, because it can be changed into a prime (6774439069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2024784 + ... + 2028126.

It is an arithmetic number, because the mean of its divisors is an integer number (345351600).

Almost surely, 2^6774439065 is an apocalyptic number.

It is an amenable number.

6774439065 is a deficient number, since it is larger than the sum of its proper divisors (4276812135).

6774439065 is a wasteful number, since it uses less digits than its factorization.

6774439065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 6774439065 is about 82306.9806577790. The cubic root of 6774439065 is about 1892.1596641752.

The spelling of 6774439065 in words is "six billion, seven hundred seventy-four million, four hundred thirty-nine thousand, sixty-five".