1855338933 has 16 divisors (see below), whose sum is σ = 2918383616. Its totient is φ = 1025993520.

The previous prime is 1855338893. The next prime is 1855338967. The reversal of 1855338933 is 3398335581.

It is not a de Polignac number, because 1855338933 - 2¹⁴ = 1855322549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1855338833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424341 + ... + 1425642.

It is an arithmetic number, because the mean of its divisors is an integer number (182398976).

Almost surely, 2^1855338933 is an apocalyptic number.

It is an amenable number.

1855338933 is a deficient number, since it is larger than the sum of its proper divisors (1063044683).

1855338933 is a wasteful number, since it uses less digits than its factorization.

1855338933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850024.

The product of its digits is 1166400, while the sum is 48.

The square root of 1855338933 is about 43073.6454575185. The cubic root of 1855338933 is about 1228.7808072536.

The spelling of 1855338933 in words is "one billion, eight hundred fifty-five million, three hundred thirty-eight thousand, nine hundred thirty-three".