5071938065 has 4 divisors (see below), whose sum is σ = 6086325684. Its totient is φ = 4057550448.

The previous prime is 5071938023. The next prime is 5071938089. The reversal of 5071938065 is 5608391705.

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 3464970496 + 1606967569 = 58864^2 + 40087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5071938065 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507193802 + ... + 507193811.

It is an arithmetic number, because the mean of its divisors is an integer number (1521581421).

Almost surely, 2^5071938065 is an apocalyptic number.

It is an amenable number.

5071938065 is a deficient number, since it is larger than the sum of its proper divisors (1014387619).

5071938065 is a wasteful number, since it uses less digits than its factorization.

5071938065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014387618.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 5071938065 is about 71217.5404307113. The cubic root of 5071938065 is about 1718.1377520220.

The spelling of 5071938065 in words is "five billion, seventy-one million, nine hundred thirty-eight thousand, sixty-five".