2770206549 has 24 divisors (see below), whose sum is σ = 4236447936. Its totient is φ = 1605912000.

The previous prime is 2770206547. The next prime is 2770206563. The reversal of 2770206549 is 9456020772.

It is not a de Polignac number, because 2770206549 - 2¹ = 2770206547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2770206549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770206547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157552 + ... + 174249.

It is an arithmetic number, because the mean of its divisors is an integer number (176518664).

Almost surely, 2^2770206549 is an apocalyptic number.

It is an amenable number.

2770206549 is a deficient number, since it is larger than the sum of its proper divisors (1466241387).

2770206549 is a wasteful number, since it uses less digits than its factorization.

2770206549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331849 (or 331838 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2770206549 is about 52632.7516761189. The cubic root of 2770206549 is about 1404.4427823780.

The spelling of 2770206549 in words is "two billion, seven hundred seventy million, two hundred six thousand, five hundred forty-nine".