2719217838 has 16 divisors (see below), whose sum is σ = 5585420880. Its totient is φ = 881908416.

The previous prime is 2719217833. The next prime is 2719217869. The reversal of 2719217838 is 8387129172.

It is a happy number.

2719217838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2719217833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6124143 + ... + 6124586.

It is an arithmetic number, because the mean of its divisors is an integer number (349088805).

Almost surely, 2^2719217838 is an apocalyptic number.

2719217838 is an abundant number, since it is smaller than the sum of its proper divisors (2866203042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2719217838 is a wasteful number, since it uses less digits than its factorization.

2719217838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248771.

The product of its digits is 338688, while the sum is 48.

The square root of 2719217838 is about 52146.1200665975. The cubic root of 2719217838 is about 1395.7725944773.

The spelling of 2719217838 in words is "two billion, seven hundred nineteen million, two hundred seventeen thousand, eight hundred thirty-eight".