2719499005 has 4 divisors (see below), whose sum is σ = 3263398812. Its totient is φ = 2175599200.

The previous prime is 2719498997. The next prime is 2719499063. The reversal of 2719499005 is 5009949172.

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 917241796 + 1802257209 = 30286^2 + 42453^2 .

It is not a de Polignac number, because 2719499005 - 2³ = 2719498997 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, 271949896 + ... + 271949905.

It is an arithmetic number, because the mean of its divisors is an integer number (815849703).

Almost surely, 2^2719499005 is an apocalyptic number.

It is an amenable number.

2719499005 is a deficient number, since it is larger than the sum of its proper divisors (543899807).

2719499005 is an equidigital number, since it uses as much as digits as its factorization.

2719499005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543899806.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 2719499005 is about 52148.8159501249. The cubic root of 2719499005 is about 1395.8207004267.

The spelling of 2719499005 in words is "two billion, seven hundred nineteen million, four hundred ninety-nine thousand, five".