2763981964 has 12 divisors (see below), whose sum is σ = 4858278264. Its totient is φ = 1375902464.

The previous prime is 2763981947. The next prime is 2763981989. The reversal of 2763981964 is 4691893672.

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, 1521109 + ... + 1522924.

It is an arithmetic number, because the mean of its divisors is an integer number (404856522).

Almost surely, 2^2763981964 is an apocalyptic number.

It is an amenable number.

2763981964 is a deficient number, since it is larger than the sum of its proper divisors (2094296300).

2763981964 is a wasteful number, since it uses less digits than its factorization.

2763981964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044264 (or 3044262 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 2763981964 is about 52573.5861816559. The cubic root of 2763981964 is about 1403.3900775528.

The spelling of 2763981964 in words is "two billion, seven hundred sixty-three million, nine hundred eighty-one thousand, nine hundred sixty-four".