2193839474 has 8 divisors (see below), whose sum is σ = 3292168368. Its totient is φ = 1096450020.

The previous prime is 2193839471. The next prime is 2193839509. The reversal of 2193839474 is 4749383912.

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

It is not an unprimeable number, because it can be changed into a prime (2193839471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228992 + ... + 238379.

It is an arithmetic number, because the mean of its divisors is an integer number (411521046).

Almost surely, 2^2193839474 is an apocalyptic number.

2193839474 is a deficient number, since it is larger than the sum of its proper divisors (1098328894).

2193839474 is a wasteful number, since it uses less digits than its factorization.

2193839474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469720.

The product of its digits is 1306368, while the sum is 50.

The square root of 2193839474 is about 46838.4401320112. The cubic root of 2193839474 is about 1299.3763229285.

The spelling of 2193839474 in words is "two billion, one hundred ninety-three million, eight hundred thirty-nine thousand, four hundred seventy-four".