2153716794 has 24 divisors (see below), whose sum is σ = 4792506420. Its totient is φ = 698502528.

The previous prime is 2153716793. The next prime is 2153716819. The reversal of 2153716794 is 4976173512.

2153716794 is a `hidden beast` number, since 21 + 537 + 1 + 6 + 7 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2141375625 + 12341169 = 46275^2 + 3513^2 .

It is not an unprimeable number, because it can be changed into a prime (2153716793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616239 + ... + 1617570.

Almost surely, 2^2153716794 is an apocalyptic number.

2153716794 is an abundant number, since it is smaller than the sum of its proper divisors (2638789626).

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

2153716794 is a wasteful number, since it uses less digits than its factorization.

2153716794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233854 (or 3233851 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 2153716794 is about 46408.1543912274. The cubic root of 2153716794 is about 1291.4061932898.

The spelling of 2153716794 in words is "two billion, one hundred fifty-three million, seven hundred sixteen thousand, seven hundred ninety-four".