2773656965 has 24 divisors (see below), whose sum is σ = 3426144480. Its totient is φ = 2154990464.

The previous prime is 2773656959. The next prime is 2773656967. The reversal of 2773656965 is 5696563772.

It is not a de Polignac number, because 2773656965 - 2¹⁴ = 2773640581 is a prime.

It is a super-2 number, since 2×2773656965² = 15386345918986022450, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2773656965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773656967) 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, 2336102 + ... + 2337288.

It is an arithmetic number, because the mean of its divisors is an integer number (142756020).

Almost surely, 2^2773656965 is an apocalyptic number.

It is an amenable number.

2773656965 is a deficient number, since it is larger than the sum of its proper divisors (652487515).

2773656965 is an equidigital number, since it uses as much as digits as its factorization.

2773656965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1340 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 56.

The square root of 2773656965 is about 52665.5196974263. The cubic root of 2773656965 is about 1405.0256391939.

The spelling of 2773656965 in words is "two billion, seven hundred seventy-three million, six hundred fifty-six thousand, nine hundred sixty-five".