2813748949 has 16 divisors (see below), whose sum is σ = 3098640384. Its totient is φ = 2533806000.

The previous prime is 2813748923. The next prime is 2813748961. The reversal of 2813748949 is 9498473182.

It is not a de Polignac number, because 2813748949 - 2¹⁵ = 2813716181 is a prime.

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 2813748949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813748919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633952 + ... + 638374.

It is an arithmetic number, because the mean of its divisors is an integer number (193665024).

Almost surely, 2^2813748949 is an apocalyptic number.

It is an amenable number.

2813748949 is a deficient number, since it is larger than the sum of its proper divisors (284891435).

2813748949 is a wasteful number, since it uses less digits than its factorization.

2813748949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968.

The product of its digits is 3483648, while the sum is 55.

The square root of 2813748949 is about 53044.7824861220. The cubic root of 2813748949 is about 1411.7629556908.

The spelling of 2813748949 in words is "two billion, eight hundred thirteen million, seven hundred forty-eight thousand, nine hundred forty-nine".