2119381850 has 24 divisors (see below), whose sum is σ = 4033729920. Its totient is φ = 828036720.

The previous prime is 2119381841. The next prime is 2119381889. The reversal of 2119381850 is 581839112.

It is a super-2 number, since 2×2119381850² = 8983558852218845000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490730 + ... + 495029.

It is an arithmetic number, because the mean of its divisors is an integer number (168072080).

Almost surely, 2^2119381850 is an apocalyptic number.

2119381850 is a deficient number, since it is larger than the sum of its proper divisors (1914348070).

2119381850 is a wasteful number, since it uses less digits than its factorization.

2119381850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985814 (or 985809 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 2119381850 is about 46036.7445634463. The cubic root of 2119381850 is about 1284.5067878614.

The spelling of 2119381850 in words is "two billion, one hundred nineteen million, three hundred eighty-one thousand, eight hundred fifty".