2771540889 has 16 divisors (see below), whose sum is σ = 4213746432. Its totient is φ = 1605235968.

The previous prime is 2771540873. The next prime is 2771540903. The reversal of 2771540889 is 9880451772.

2771540889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2771540889 - 2⁴ = 2771540873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2771540839) 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, 2089489 + ... + 2090814.

It is an arithmetic number, because the mean of its divisors is an integer number (263359152).

Almost surely, 2^2771540889 is an apocalyptic number.

It is an amenable number.

2771540889 is a deficient number, since it is larger than the sum of its proper divisors (1442205543).

2771540889 is a wasteful number, since it uses less digits than its factorization.

2771540889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180336.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The square root of 2771540889 is about 52645.4260976203. The cubic root of 2771540889 is about 1404.6682413035.

The spelling of 2771540889 in words is "two billion, seven hundred seventy-one million, five hundred forty thousand, eight hundred eighty-nine".