4646042065 has 24 divisors (see below), whose sum is σ = 6490939752. Its totient is φ = 3183183360.

The previous prime is 4646042039. The next prime is 4646042083. The reversal of 4646042065 is 5602406464.

It can be written as a sum of positive squares in 4 ways, for example, as 405297424 + 4240744641 = 20132^2 + 65121^2 .

It is not a de Polignac number, because 4646042065 - 2⁵ = 4646042033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310455 + ... + 325075.

It is an arithmetic number, because the mean of its divisors is an integer number (270455823).

Almost surely, 2^4646042065 is an apocalyptic number.

It is an amenable number.

4646042065 is a deficient number, since it is larger than the sum of its proper divisors (1844897687).

4646042065 is a wasteful number, since it uses less digits than its factorization.

4646042065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937 (or 15930 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 4646042065 is about 68161.8813194002. The cubic root of 4646042065 is about 1668.6338361442.

The spelling of 4646042065 in words is "four billion, six hundred forty-six million, forty-two thousand, sixty-five".