2771470049 has 4 divisors (see below), whose sum is σ = 2773711764. Its totient is φ = 2769228336.

The previous prime is 2771470027. The next prime is 2771470061. The reversal of 2771470049 is 9400741772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1905933649 + 865536400 = 43657^2 + 29420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771470049 - 2¹⁶ = 2771404513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2771469988 and 2771470015.

It is not an unprimeable number, because it can be changed into a prime (2771470069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119002 + ... + 1121475.

It is an arithmetic number, because the mean of its divisors is an integer number (693427941).

Almost surely, 2^2771470049 is an apocalyptic number.

It is an amenable number.

2771470049 is a deficient number, since it is larger than the sum of its proper divisors (2241715).

2771470049 is a wasteful number, since it uses less digits than its factorization.

2771470049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241714.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 2771470049 is about 52644.7532903327. The cubic root of 2771470049 is about 1404.6562735270.

The spelling of 2771470049 in words is "two billion, seven hundred seventy-one million, four hundred seventy thousand, forty-nine".