2723540213 has 4 divisors (see below), whose sum is σ = 2723660940. Its totient is φ = 2723419488.

The previous prime is 2723540201. The next prime is 2723540219. The reversal of 2723540213 is 3120453272.

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 can be written as a sum of positive squares in 2 ways, for example, as 2638568689 + 84971524 = 51367^2 + 9218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2723540213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723540219) 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, 15320 + ... + 75377.

It is an arithmetic number, because the mean of its divisors is an integer number (680915235).

Almost surely, 2^2723540213 is an apocalyptic number.

It is an amenable number.

2723540213 is a deficient number, since it is larger than the sum of its proper divisors (120727).

2723540213 is an equidigital number, since it uses as much as digits as its factorization.

2723540213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120726.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2723540213 is about 52187.5484478817. The cubic root of 2723540213 is about 1396.5117603089.

Adding to 2723540213 its reverse (3120453272), we get a palindrome (5843993485).

The spelling of 2723540213 in words is "two billion, seven hundred twenty-three million, five hundred forty thousand, two hundred thirteen".