2727451813 has 2 divisors, whose sum is σ = 2727451814. Its totient is φ = 2727451812.

The previous prime is 2727451777. The next prime is 2727451817. The reversal of 2727451813 is 3181547272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2211162529 + 516289284 = 47023^2 + 22722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2727451813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2727451817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363725906 + 1363725907.

It is an arithmetic number, because the mean of its divisors is an integer number (1363725907).

Almost surely, 2^2727451813 is an apocalyptic number.

It is an amenable number.

2727451813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2727451813 is an equidigital number, since it uses as much as digits as its factorization.

2727451813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 2727451813 is about 52225.0113738619. The cubic root of 2727451813 is about 1397.1800060355.

The spelling of 2727451813 in words is "two billion, seven hundred twenty-seven million, four hundred fifty-one thousand, eight hundred thirteen".