2747342849 has 4 divisors (see below), whose sum is σ = 2747452500. Its totient is φ = 2747233200.

The previous prime is 2747342837. The next prime is 2747342861. The reversal of 2747342849 is 9482437472.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2747342837) and next prime (2747342861).

It can be written as a sum of positive squares in 2 ways, for example, as 2141838400 + 605504449 = 46280^2 + 24607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2747342849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2747342797 and 2747342806.

It is not an unprimeable number, because it can be changed into a prime (2747342149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299 + ... + 74199.

It is an arithmetic number, because the mean of its divisors is an integer number (686863125).

Almost surely, 2^2747342849 is an apocalyptic number.

It is an amenable number.

2747342849 is a deficient number, since it is larger than the sum of its proper divisors (109651).

2747342849 is an equidigital number, since it uses as much as digits as its factorization.

2747342849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109650.

The product of its digits is 2709504, while the sum is 50.

The square root of 2747342849 is about 52415.1013449368. The cubic root of 2747342849 is about 1400.5682810297.

The spelling of 2747342849 in words is "two billion, seven hundred forty-seven million, three hundred forty-two thousand, eight hundred forty-nine".