2138693335 has 8 divisors (see below), whose sum is σ = 2586640896. Its totient is φ = 1697482080.

The previous prime is 2138693329. The next prime is 2138693357. The reversal of 2138693335 is 5333968312.

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

It is not a de Polignac number, because 2138693335 - 2⁵ = 2138693303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2138693291 and 2138693300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1683376 + ... + 1684645.

It is an arithmetic number, because the mean of its divisors is an integer number (323330112).

Almost surely, 2^2138693335 is an apocalyptic number.

2138693335 is a deficient number, since it is larger than the sum of its proper divisors (447947561).

2138693335 is a wasteful number, since it uses less digits than its factorization.

2138693335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368153.

The product of its digits is 349920, while the sum is 43.

The square root of 2138693335 is about 46246.0088548190. The cubic root of 2138693335 is about 1288.3964079462.

The spelling of 2138693335 in words is "two billion, one hundred thirty-eight million, six hundred ninety-three thousand, three hundred thirty-five".