2141604578 has 8 divisors (see below), whose sum is σ = 3290758380. Its totient is φ = 1044685120.

The previous prime is 2141604571. The next prime is 2141604583. The reversal of 2141604578 is 8754061412.

It can be written as a sum of positive squares in 2 ways, for example, as 2131022569 + 10582009 = 46163^2 + 3253^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141604571) 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, 13058483 + ... + 13058646.

Almost surely, 2^2141604578 is an apocalyptic number.

2141604578 is a deficient number, since it is larger than the sum of its proper divisors (1149153802).

2141604578 is a wasteful number, since it uses less digits than its factorization.

2141604578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26117172.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2141604578 is about 46277.4737642408. The cubic root of 2141604578 is about 1288.9807420562.

The spelling of 2141604578 in words is "two billion, one hundred forty-one million, six hundred four thousand, five hundred seventy-eight".