2141321394 has 32 divisors (see below), whose sum is σ = 4773228480. Its totient is φ = 636429312.

The previous prime is 2141321389. The next prime is 2141321443. The reversal of 2141321394 is 4931231412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550519 + ... + 554394.

It is an arithmetic number, because the mean of its divisors is an integer number (149163390).

Almost surely, 2^2141321394 is an apocalyptic number.

2141321394 is an abundant number, since it is smaller than the sum of its proper divisors (2631907086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141321394 is a wasteful number, since it uses less digits than its factorization.

2141321394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104954.

The product of its digits is 5184, while the sum is 30.

The square root of 2141321394 is about 46274.4140319464. The cubic root of 2141321394 is about 1288.9239256522.

The spelling of 2141321394 in words is "two billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred ninety-four".