2094538721 has 8 divisors (see below), whose sum is σ = 2292255264. Its totient is φ = 1898039520.

The previous prime is 2094538711. The next prime is 2094538741. The reversal of 2094538721 is 1278354902.

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

It is a cyclic number.

It is not a de Polignac number, because 2094538721 - 2²⁶ = 2027429857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2094538711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300731 + ... + 307616.

It is an arithmetic number, because the mean of its divisors is an integer number (286531908).

Almost surely, 2^2094538721 is an apocalyptic number.

It is an amenable number.

2094538721 is a deficient number, since it is larger than the sum of its proper divisors (197716543).

2094538721 is a wasteful number, since it uses less digits than its factorization.

2094538721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608671.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2094538721 is about 45766.1307191246. The cubic root of 2094538721 is about 1279.4681060326.

The spelling of 2094538721 in words is "two billion, ninety-four million, five hundred thirty-eight thousand, seven hundred twenty-one".