2049144571 has 2 divisors, whose sum is σ = 2049144572. Its totient is φ = 2049144570.

The previous prime is 2049144569. The next prime is 2049144631. The reversal of 2049144571 is 1754419402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2049144571 - 2¹ = 2049144569 is a prime.

Together with 2049144569, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2049144571.

It is not a weakly prime, because it can be changed into another prime (2049144541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024572285 + 1024572286.

It is an arithmetic number, because the mean of its divisors is an integer number (1024572286).

Almost surely, 2^2049144571 is an apocalyptic number.

2049144571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049144571 is an equidigital number, since it uses as much as digits as its factorization.

2049144571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2049144571 is about 45267.4780720110. The cubic root of 2049144571 is about 1270.1573721532.

The spelling of 2049144571 in words is "two billion, forty-nine million, one hundred forty-four thousand, five hundred seventy-one".