2723407818 has 16 divisors (see below), whose sum is σ = 5486003040. Its totient is φ = 901271376.

The previous prime is 2723407801. The next prime is 2723407823. The reversal of 2723407818 is 8187043272.

It is a super-2 number, since 2×2723407818² = 14833900286287042248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2723407818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631905 + ... + 1633572.

It is an arithmetic number, because the mean of its divisors is an integer number (342875190).

Almost surely, 2^2723407818 is an apocalyptic number.

2723407818 is an abundant number, since it is smaller than the sum of its proper divisors (2762595222).

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

2723407818 is a wasteful number, since it uses less digits than its factorization.

2723407818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265621.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2723407818 is about 52186.2799785538. The cubic root of 2723407818 is about 1396.4891311625.

The spelling of 2723407818 in words is "two billion, seven hundred twenty-three million, four hundred seven thousand, eight hundred eighteen".