2765650556 has 6 divisors (see below), whose sum is σ = 4839888480. Its totient is φ = 1382825276.

The previous prime is 2765650543. The next prime is 2765650561. The reversal of 2765650556 is 6550565672.

It is a self number, because there is not a number n which added to its sum of digits gives 2765650556.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 345706316 + ... + 345706323.

It is an arithmetic number, because the mean of its divisors is an integer number (806648080).

Almost surely, 2^2765650556 is an apocalyptic number.

It is an amenable number.

2765650556 is a deficient number, since it is larger than the sum of its proper divisors (2074237924).

2765650556 is a wasteful number, since it uses less digits than its factorization.

2765650556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691412643 (or 691412641 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 47.

The square root of 2765650556 is about 52589.4528969450. The cubic root of 2765650556 is about 1403.6724255597.

The spelling of 2765650556 in words is "two billion, seven hundred sixty-five million, six hundred fifty thousand, five hundred fifty-six".