2663461963 has 4 divisors (see below), whose sum is σ = 2663880160. Its totient is φ = 2663043768.

The previous prime is 2663461951. The next prime is 2663461981. The reversal of 2663461963 is 3691643662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663461963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663431963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199395 + ... + 212332.

It is an arithmetic number, because the mean of its divisors is an integer number (665970040).

Almost surely, 2^2663461963 is an apocalyptic number.

2663461963 is a deficient number, since it is larger than the sum of its proper divisors (418197).

2663461963 is an equidigital number, since it uses as much as digits as its factorization.

2663461963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418196.

The product of its digits is 839808, while the sum is 46.

The square root of 2663461963 is about 51608.7392114940. The cubic root of 2663461963 is about 1386.1668216697.

The spelling of 2663461963 in words is "two billion, six hundred sixty-three million, four hundred sixty-one thousand, nine hundred sixty-three".