2740556965 has 4 divisors (see below), whose sum is σ = 3288668364. Its totient is φ = 2192445568.

The previous prime is 2740556963. The next prime is 2740556971. The reversal of 2740556965 is 5696550472.

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 1450238724 + 1290318241 = 38082^2 + 35921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740556965 - 2¹ = 2740556963 is a prime.

It is a super-2 number, since 2×2740556965² = 15021304956820022450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740556963) 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, 274055692 + ... + 274055701.

It is an arithmetic number, because the mean of its divisors is an integer number (822167091).

Almost surely, 2^2740556965 is an apocalyptic number.

It is an amenable number.

2740556965 is a deficient number, since it is larger than the sum of its proper divisors (548111399).

2740556965 is an equidigital number, since it uses as much as digits as its factorization.

2740556965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548111398.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The square root of 2740556965 is about 52350.3291775706. The cubic root of 2740556965 is about 1399.4142047526.

The spelling of 2740556965 in words is "two billion, seven hundred forty million, five hundred fifty-six thousand, nine hundred sixty-five".