2138344833 has 8 divisors (see below), whose sum is σ = 2872891296. Its totient is φ = 1414680800.

The previous prime is 2138344829. The next prime is 2138344849. The reversal of 2138344833 is 3384438312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2138344833 - 2² = 2138344829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2138344791 and 2138344800.

It is not an unprimeable number, because it can be changed into a prime (2138344433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720148 + ... + 2720933.

It is an arithmetic number, because the mean of its divisors is an integer number (359111412).

Almost surely, 2^2138344833 is an apocalyptic number.

It is an amenable number.

2138344833 is a deficient number, since it is larger than the sum of its proper divisors (734546463).

2138344833 is a wasteful number, since it uses less digits than its factorization.

2138344833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441215.

The product of its digits is 165888, while the sum is 39.

The square root of 2138344833 is about 46242.2407869688. The cubic root of 2138344833 is about 1288.3264223607.

The spelling of 2138344833 in words is "two billion, one hundred thirty-eight million, three hundred forty-four thousand, eight hundred thirty-three".