2101619143 has 4 divisors (see below), whose sum is σ = 2263282168. Its totient is φ = 1939956120.

The previous prime is 2101619141. The next prime is 2101619159. The reversal of 2101619143 is 3419161012.

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 2101619143 - 2¹ = 2101619141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101619141) 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, 80831493 + ... + 80831518.

It is an arithmetic number, because the mean of its divisors is an integer number (565820542).

Almost surely, 2^2101619143 is an apocalyptic number.

2101619143 is a deficient number, since it is larger than the sum of its proper divisors (161663025).

2101619143 is a wasteful number, since it uses less digits than its factorization.

2101619143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161663024.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2101619143 is about 45843.4198440736. The cubic root of 2101619143 is about 1280.9081980241.

The spelling of 2101619143 in words is "two billion, one hundred one million, six hundred nineteen thousand, one hundred forty-three".