2049619723 has 8 divisors (see below), whose sum is σ = 2140852896. Its totient is φ = 1958563200.

The previous prime is 2049619721. The next prime is 2049619751. The reversal of 2049619723 is 3279169402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2049619723 - 2¹ = 2049619721 is a prime.

It is a super-3 number, since 3×2049619723³ (a number of 29 digits) contains 333 as substring.

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 2049619723.

It is not an unprimeable number, because it can be changed into a prime (2049619721) by changing a digit.

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, 20158 + ... + 67123.

It is an arithmetic number, because the mean of its divisors is an integer number (267606612).

Almost surely, 2^2049619723 is an apocalyptic number.

2049619723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2049619723 is a deficient number, since it is larger than the sum of its proper divisors (91233173).

2049619723 is a wasteful number, since it uses less digits than its factorization.

2049619723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88325.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2049619723 is about 45272.7260389741. The cubic root of 2049619723 is about 1270.2555385105.

The spelling of 2049619723 in words is "two billion, forty-nine million, six hundred nineteen thousand, seven hundred twenty-three".