2770384646 has 4 divisors (see below), whose sum is σ = 4155576972. Its totient is φ = 1385192322.

The previous prime is 2770384619. The next prime is 2770384649. The reversal of 2770384646 is 6464830772.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2770384646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770384649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692596160 + ... + 692596163.

It is an arithmetic number, because the mean of its divisors is an integer number (1038894243).

Almost surely, 2^2770384646 is an apocalyptic number.

2770384646 is a deficient number, since it is larger than the sum of its proper divisors (1385192326).

2770384646 is a wasteful number, since it uses less digits than its factorization.

2770384646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385192325.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The square root of 2770384646 is about 52634.4435327286. The cubic root of 2770384646 is about 1404.4728790130.

The spelling of 2770384646 in words is "two billion, seven hundred seventy million, three hundred eighty-four thousand, six hundred forty-six".