38005806065 has 16 divisors (see below), whose sum is σ = 46751525568. Its totient is φ = 29644149696.

The previous prime is 38005806031. The next prime is 38005806103. The reversal of 38005806065 is 56060850083.

38005806065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38005806065 - 2¹⁶ = 38005740529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38927 + ... + 278436.

It is an arithmetic number, because the mean of its divisors is an integer number (2921970348).

Almost surely, 2^38005806065 is an apocalyptic number.

It is an amenable number.

38005806065 is a deficient number, since it is larger than the sum of its proper divisors (8745719503).

38005806065 is a wasteful number, since it uses less digits than its factorization.

38005806065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317968.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 38005806065 in words is "thirty-eight billion, five million, eight hundred six thousand, sixty-five".