2719731013 has 4 divisors (see below), whose sum is σ = 2722011948. Its totient is φ = 2717450080.

The previous prime is 2719730971. The next prime is 2719731017. The reversal of 2719731013 is 3101379172.

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 1675019329 + 1044711684 = 40927^2 + 32322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2719731013 - 2²¹ = 2717633861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2719731013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2719731017) 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, 1138678 + ... + 1141063.

It is an arithmetic number, because the mean of its divisors is an integer number (680502987).

Almost surely, 2^2719731013 is an apocalyptic number.

It is an amenable number.

2719731013 is a deficient number, since it is larger than the sum of its proper divisors (2280935).

2719731013 is a wasteful number, since it uses less digits than its factorization.

2719731013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280934.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 2719731013 is about 52151.0403827191. The cubic root of 2719731013 is about 1395.8603930760.

The spelling of 2719731013 in words is "two billion, seven hundred nineteen million, seven hundred thirty-one thousand, thirteen".