2720867465 has 4 divisors (see below), whose sum is σ = 3265040964. Its totient is φ = 2176693968.

The previous prime is 2720867453. The next prime is 2720867497. The reversal of 2720867465 is 5647680272.

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 311628409 + 2409239056 = 17653^2 + 49084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720867465 - 2⁸ = 2720867209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272086742 + ... + 272086751.

It is an arithmetic number, because the mean of its divisors is an integer number (816260241).

Almost surely, 2^2720867465 is an apocalyptic number.

It is an amenable number.

2720867465 is a deficient number, since it is larger than the sum of its proper divisors (544173499).

2720867465 is an equidigital number, since it uses as much as digits as its factorization.

2720867465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544173498.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 2720867465 is about 52161.9350197057. The cubic root of 2720867465 is about 1396.0547882113.

The spelling of 2720867465 in words is "two billion, seven hundred twenty million, eight hundred sixty-seven thousand, four hundred sixty-five".