2771424644 has 12 divisors (see below), whose sum is σ = 4864387164. Its totient is φ = 1381599744.

The previous prime is 2771424581. The next prime is 2771424661. The reversal of 2771424644 is 4464241772.

It can be written as a sum of positive squares in 2 ways, for example, as 1981140100 + 790284544 = 44510^2 + 28112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026629 + ... + 1029324.

It is an arithmetic number, because the mean of its divisors is an integer number (405365597).

Almost surely, 2^2771424644 is an apocalyptic number.

It is an amenable number.

2771424644 is a deficient number, since it is larger than the sum of its proper divisors (2092962520).

2771424644 is a wasteful number, since it uses less digits than its factorization.

2771424644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056294 (or 2056292 counting only the distinct ones).

The product of its digits is 301056, while the sum is 41.

The square root of 2771424644 is about 52644.3220490111. The cubic root of 2771424644 is about 1404.6486026561.

The spelling of 2771424644 in words is "two billion, seven hundred seventy-one million, four hundred twenty-four thousand, six hundred forty-four".