2033139865 has 16 divisors (see below), whose sum is σ = 2502086400. Its totient is φ = 1585255680.

The previous prime is 2033139853. The next prime is 2033139881. The reversal of 2033139865 is 5689313302.

It is not a de Polignac number, because 2033139865 - 2⁵ = 2033139833 is a prime.

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, 38686 + ... + 74584.

It is an arithmetic number, because the mean of its divisors is an integer number (156380400).

Almost surely, 2^2033139865 is an apocalyptic number.

It is an amenable number.

2033139865 is a deficient number, since it is larger than the sum of its proper divisors (468946535).

2033139865 is a wasteful number, since it uses less digits than its factorization.

2033139865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36192.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2033139865 is about 45090.3522385887. The cubic root of 2033139865 is about 1266.8418990795.

The spelling of 2033139865 in words is "two billion, thirty-three million, one hundred thirty-nine thousand, eight hundred sixty-five".