2719871049 has 16 divisors (see below), whose sum is σ = 4324764672. Its totient is φ = 1486637328.

The previous prime is 2719871047. The next prime is 2719871057. The reversal of 2719871049 is 9401789172.

It is not a de Polignac number, because 2719871049 - 2¹ = 2719871047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2719870989 and 2719871007.

It is not an unprimeable number, because it can be changed into a prime (2719871047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815119 + ... + 2816084.

It is an arithmetic number, because the mean of its divisors is an integer number (270297792).

Almost surely, 2^2719871049 is an apocalyptic number.

It is an amenable number.

2719871049 is a deficient number, since it is larger than the sum of its proper divisors (1604893623).

2719871049 is a wasteful number, since it uses less digits than its factorization.

2719871049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631236.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 2719871049 is about 52152.3829656901. The cubic root of 2719871049 is about 1395.8843497774.

The spelling of 2719871049 in words is "two billion, seven hundred nineteen million, eight hundred seventy-one thousand, forty-nine".