2141521219 has 4 divisors (see below), whose sum is σ = 2161535544. Its totient is φ = 2121506896.

The previous prime is 2141521183. The next prime is 2141521231. The reversal of 2141521219 is 9121251412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141521219 - 2⁹ = 2141520707 is a prime.

It is a super-2 number, since 2×2141521219² = 9172226262854491922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141521619) 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, 10007002 + ... + 10007215.

It is an arithmetic number, because the mean of its divisors is an integer number (540383886).

Almost surely, 2^2141521219 is an apocalyptic number.

2141521219 is a deficient number, since it is larger than the sum of its proper divisors (20014325).

2141521219 is a wasteful number, since it uses less digits than its factorization.

2141521219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20014324.

The product of its digits is 1440, while the sum is 28.

The square root of 2141521219 is about 46276.5731121050. The cubic root of 2141521219 is about 1288.9640179076.

The spelling of 2141521219 in words is "two billion, one hundred forty-one million, five hundred twenty-one thousand, two hundred nineteen".