2731481465 has 8 divisors (see below), whose sum is σ = 3297887808. Its totient is φ = 2171778480.

The previous prime is 2731481461. The next prime is 2731481479. The reversal of 2731481465 is 5641841372.

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

It is not a de Polignac number, because 2731481465 - 2² = 2731481461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2731481461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674941 + ... + 1676570.

It is an arithmetic number, because the mean of its divisors is an integer number (412235976).

Almost surely, 2^2731481465 is an apocalyptic number.

It is an amenable number.

2731481465 is a deficient number, since it is larger than the sum of its proper divisors (566406343).

2731481465 is a wasteful number, since it uses less digits than its factorization.

2731481465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351679.

The product of its digits is 161280, while the sum is 41.

The square root of 2731481465 is about 52263.5768485089. The cubic root of 2731481465 is about 1397.8677516097.

The spelling of 2731481465 in words is "two billion, seven hundred thirty-one million, four hundred eighty-one thousand, four hundred sixty-five".