2771819481 has 16 divisors (see below), whose sum is σ = 3754045440. Its totient is φ = 1818823440.

The previous prime is 2771819467. The next prime is 2771819521. The reversal of 2771819481 is 1849181772.

It is not a de Polignac number, because 2771819481 - 2¹⁸ = 2771557337 is a prime.

It is a super-2 number, since 2×2771819481² = 15365966470502218722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2771819481.

It is not an unprimeable number, because it can be changed into a prime (2771819411) 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, 121336 + ... + 142358.

It is an arithmetic number, because the mean of its divisors is an integer number (234627840).

Almost surely, 2^2771819481 is an apocalyptic number.

It is an amenable number.

2771819481 is a deficient number, since it is larger than the sum of its proper divisors (982225959).

2771819481 is a wasteful number, since it uses less digits than its factorization.

2771819481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21716.

The product of its digits is 225792, while the sum is 48.

The square root of 2771819481 is about 52648.0719589996. The cubic root of 2771819481 is about 1404.7153049213.

The spelling of 2771819481 in words is "two billion, seven hundred seventy-one million, eight hundred nineteen thousand, four hundred eighty-one".