2723606430205 has 4 divisors (see below), whose sum is σ = 3268327716252. Its totient is φ = 2178885144160.

The previous prime is 2723606430197. The next prime is 2723606430211. The reversal of 2723606430205 is 5020346063272.

It is a happy number.

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 677668118436 + 2045938311769 = 823206^2 + 1430363^2 .

It is not a de Polignac number, because 2723606430205 - 2³ = 2723606430197 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, 272360643016 + ... + 272360643025.

It is an arithmetic number, because the mean of its divisors is an integer number (817081929063).

Almost surely, 2^{2723606430205} is an apocalyptic number.

It is an amenable number.

2723606430205 is a deficient number, since it is larger than the sum of its proper divisors (544721286047).

2723606430205 is an equidigital number, since it uses as much as digits as its factorization.

2723606430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544721286046.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 2723606430205 in words is "two trillion, seven hundred twenty-three billion, six hundred six million, four hundred thirty thousand, two hundred five".