2720413405 has 4 divisors (see below), whose sum is σ = 3264496092. Its totient is φ = 2176330720.

The previous prime is 2720413391. The next prime is 2720413417. The reversal of 2720413405 is 5043140272.

2720413405 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 1247926276 + 1472487129 = 35326^2 + 38373^2 .

It is not a de Polignac number, because 2720413405 - 2¹³ = 2720405213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272041336 + ... + 272041345.

It is an arithmetic number, because the mean of its divisors is an integer number (816124023).

Almost surely, 2^2720413405 is an apocalyptic number.

It is an amenable number.

2720413405 is a deficient number, since it is larger than the sum of its proper divisors (544082687).

2720413405 is an equidigital number, since it uses as much as digits as its factorization.

2720413405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544082686.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2720413405 is about 52157.5824305537. The cubic root of 2720413405 is about 1395.9771257366.

Adding to 2720413405 its reverse (5043140272), we get a palindrome (7763553677).

The spelling of 2720413405 in words is "two billion, seven hundred twenty million, four hundred thirteen thousand, four hundred five".