67038089065 has 32 divisors (see below), whose sum is σ = 84667506336. Its totient is φ = 50899230720.

The previous prime is 67038089039. The next prime is 67038089113. The reversal of 67038089065 is 56098083076.

It can be written as a sum of positive squares in 16 ways, for example, as 3860261161 + 63177827904 = 62131^2 + 251352^2 .

It is not a de Polignac number, because 67038089065 - 2²⁵ = 67004534633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676505 + ... + 1716025.

It is an arithmetic number, because the mean of its divisors is an integer number (2645859573).

Almost surely, 2^67038089065 is an apocalyptic number.

It is an amenable number.

67038089065 is a deficient number, since it is larger than the sum of its proper divisors (17629417271).

67038089065 is a wasteful number, since it uses less digits than its factorization.

67038089065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39789.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 67038089065 in words is "sixty-seven billion, thirty-eight million, eighty-nine thousand, sixty-five".