2719779172 has 24 divisors (see below), whose sum is σ = 5359802112. Its totient is φ = 1196383200.

The previous prime is 2719779103. The next prime is 2719779193.

It is a happy number.

2719779172 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995623 + ... + 998350.

It is an arithmetic number, because the mean of its divisors is an integer number (223325088).

Almost surely, 2^2719779172 is an apocalyptic number.

2719779172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2719779172 is a deficient number, since it is larger than the sum of its proper divisors (2640022940).

2719779172 is a wasteful number, since it uses less digits than its factorization.

2719779172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994019 (or 1994017 counting only the distinct ones).

The product of its digits is 777924, while the sum is 52.

The square root of 2719779172 is about 52151.5021068425. The cubic root of 2719779172 is about 1395.8686319843.

The spelling of 2719779172 in words is "two billion, seven hundred nineteen million, seven hundred seventy-nine thousand, one hundred seventy-two".