2730949391089 has 4 divisors (see below), whose sum is σ = 2775719053300. Its totient is φ = 2686179728880.

The previous prime is 2730949391083. The next prime is 2730949391117. The reversal of 2730949391089 is 9801939490372.

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 230414400225 + 2500534990864 = 480015^2 + 1581308^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730949391089 - 2¹⁹ = 2730948866801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730949391089.

It is not an unprimeable number, because it can be changed into a prime (2730949391083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22384831014 + ... + 22384831135.

It is an arithmetic number, because the mean of its divisors is an integer number (693929763325).

Almost surely, 2^{2730949391089} is an apocalyptic number.

It is an amenable number.

2730949391089 is a deficient number, since it is larger than the sum of its proper divisors (44769662211).

2730949391089 is an equidigital number, since it uses as much as digits as its factorization.

2730949391089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44769662210.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The spelling of 2730949391089 in words is "two trillion, seven hundred thirty billion, nine hundred forty-nine million, three hundred ninety-one thousand, eighty-nine".