2763981963 has 6 divisors (see below), whose sum is σ = 3992418404. Its totient is φ = 1842654636.

The previous prime is 2763981947. The next prime is 2763981989. The reversal of 2763981963 is 3691893672.

It is not a de Polignac number, because 2763981963 - 2⁴ = 2763981947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2763981943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153554545 + ... + 153554562.

Almost surely, 2^2763981963 is an apocalyptic number.

2763981963 is a deficient number, since it is larger than the sum of its proper divisors (1228436441).

2763981963 is a wasteful number, since it uses less digits than its factorization.

2763981963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307109113 (or 307109110 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 2763981963 is about 52573.5861721454. The cubic root of 2763981963 is about 1403.3900773836.

The spelling of 2763981963 in words is "two billion, seven hundred sixty-three million, nine hundred eighty-one thousand, nine hundred sixty-three".