2724912345 has 16 divisors (see below), whose sum is σ = 4433757120. Its totient is φ = 1428654144.

The previous prime is 2724912343. The next prime is 2724912361. The reversal of 2724912345 is 5432194272.

It is not a de Polignac number, because 2724912345 - 2¹ = 2724912343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2724912343) 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 15 ways as a sum of consecutive naturals, for example, 1538614 + ... + 1540383.

It is an arithmetic number, because the mean of its divisors is an integer number (277109820).

Almost surely, 2^2724912345 is an apocalyptic number.

It is an amenable number.

2724912345 is a deficient number, since it is larger than the sum of its proper divisors (1708844775).

2724912345 is a wasteful number, since it uses less digits than its factorization.

2724912345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079064.

The product of its digits is 120960, while the sum is 39.

The square root of 2724912345 is about 52200.6929551706. The cubic root of 2724912345 is about 1396.7462439366.

The spelling of 2724912345 in words is "two billion, seven hundred twenty-four million, nine hundred twelve thousand, three hundred forty-five".