2748728465 has 8 divisors (see below), whose sum is σ = 3769684800. Its totient is φ = 1884842352.

The previous prime is 2748728447. The next prime is 2748728471. The reversal of 2748728465 is 5648278472.

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

It is a cyclic number.

It is not a de Polignac number, because 2748728465 - 2¹² = 2748724369 is a prime.

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, 39267515 + ... + 39267584.

It is an arithmetic number, because the mean of its divisors is an integer number (471210600).

Almost surely, 2^2748728465 is an apocalyptic number.

It is an amenable number.

2748728465 is a deficient number, since it is larger than the sum of its proper divisors (1020956335).

2748728465 is an equidigital number, since it uses as much as digits as its factorization.

2748728465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78535111.

The product of its digits is 6021120, while the sum is 53.

The square root of 2748728465 is about 52428.3173962316. The cubic root of 2748728465 is about 1400.8036992457.

The spelling of 2748728465 in words is "two billion, seven hundred forty-eight million, seven hundred twenty-eight thousand, four hundred sixty-five".