65536939 has 4 divisors (see below), whose sum is σ = 70578256. Its totient is φ = 60495624.

The previous prime is 65536937. The next prime is 65536957. The reversal of 65536939 is 93963556.

It is a happy number.

65536939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65536939 - 2¹ = 65536937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65536931) by changing a digit.

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, 2520639 + ... + 2520664.

It is an arithmetic number, because the mean of its divisors is an integer number (17644564).

Almost surely, 2^65536939 is an apocalyptic number.

65536939 is a deficient number, since it is larger than the sum of its proper divisors (5041317).

65536939 is a wasteful number, since it uses less digits than its factorization.

65536939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041316.

The product of its digits is 656100, while the sum is 46.

The square root of 65536939 is about 8095.4888055015. The cubic root of 65536939 is about 403.1766615201.

The spelling of 65536939 in words is "sixty-five million, five hundred thirty-six thousand, nine hundred thirty-nine".