2775271465 has 8 divisors (see below), whose sum is σ = 3335205888. Its totient is φ = 2216963760.

The previous prime is 2775271453. The next prime is 2775271487. The reversal of 2775271465 is 5641725772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2775271465 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402921 + ... + 409750.

It is an arithmetic number, because the mean of its divisors is an integer number (416900736).

Almost surely, 2^2775271465 is an apocalyptic number.

It is an amenable number.

2775271465 is a deficient number, since it is larger than the sum of its proper divisors (559934423).

2775271465 is an equidigital number, since it uses as much as digits as its factorization.

2775271465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813359.

The product of its digits is 823200, while the sum is 46.

The square root of 2775271465 is about 52680.8453330051. The cubic root of 2775271465 is about 1405.2982004046.

The spelling of 2775271465 in words is "two billion, seven hundred seventy-five million, two hundred seventy-one thousand, four hundred sixty-five".