2771312394 has 16 divisors (see below), whose sum is σ = 5721419520. Its totient is φ = 893971680.

The previous prime is 2771312381. The next prime is 2771312497. The reversal of 2771312394 is 4932131772.

It is a super-2 number, since 2×2771312394² = 15360344770276022472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7449579 + ... + 7449950.

It is an arithmetic number, because the mean of its divisors is an integer number (357588720).

Almost surely, 2^2771312394 is an apocalyptic number.

2771312394 is an abundant number, since it is smaller than the sum of its proper divisors (2950107126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2771312394 is a wasteful number, since it uses less digits than its factorization.

2771312394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14899565.

The product of its digits is 63504, while the sum is 39.

The square root of 2771312394 is about 52643.2559213429. The cubic root of 2771312394 is about 1404.6296384103.

The spelling of 2771312394 in words is "two billion, seven hundred seventy-one million, three hundred twelve thousand, three hundred ninety-four".