2731416749 has 4 divisors (see below), whose sum is σ = 2735143836. Its totient is φ = 2727689664.

The previous prime is 2731416739. The next prime is 2731416769. The reversal of 2731416749 is 9476141372.

It is a happy number.

2731416749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2531901124 + 199515625 = 50318^2 + 14125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731416749 - 2¹² = 2731412653 is a prime.

It is a super-4 number, since 4×2731416749⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731416739) 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, 1862444 + ... + 1863909.

It is an arithmetic number, because the mean of its divisors is an integer number (683785959).

Almost surely, 2^2731416749 is an apocalyptic number.

It is an amenable number.

2731416749 is a deficient number, since it is larger than the sum of its proper divisors (3727087).

2731416749 is an equidigital number, since it uses as much as digits as its factorization.

2731416749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727086.

The product of its digits is 254016, while the sum is 44.

The square root of 2731416749 is about 52262.9577138531. The cubic root of 2731416749 is about 1397.8567117979.

The spelling of 2731416749 in words is "two billion, seven hundred thirty-one million, four hundred sixteen thousand, seven hundred forty-nine".