2771063638 has 16 divisors (see below), whose sum is σ = 4866259104. Its totient is φ = 1158632640.

The previous prime is 2771063629. The next prime is 2771063671. The reversal of 2771063638 is 8363601772.

It is a junction number, because it is equal to n+sod(n) for n = 2771063594 and 2771063603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413245 + ... + 2414392.

It is an arithmetic number, because the mean of its divisors is an integer number (304141194).

Almost surely, 2^2771063638 is an apocalyptic number.

2771063638 is a deficient number, since it is larger than the sum of its proper divisors (2095195466).

2771063638 is a wasteful number, since it uses less digits than its factorization.

2771063638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827687.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2771063638 is about 52640.8932105070. The cubic root of 2771063638 is about 1404.5876101273.

The spelling of 2771063638 in words is "two billion, seven hundred seventy-one million, sixty-three thousand, six hundred thirty-eight".