2648966443 has 4 divisors (see below), whose sum is σ = 2649629248. Its totient is φ = 2648303640.

The previous prime is 2648966429. The next prime is 2648966513. The reversal of 2648966443 is 3446698462.

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

It is a cyclic number.

It is not a de Polignac number, because 2648966443 - 2²⁵ = 2615412011 is a prime.

It is a super-2 number, since 2×2648966443² = 14034046432280144498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648966543) 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, 325371 + ... + 333412.

It is an arithmetic number, because the mean of its divisors is an integer number (662407312).

Almost surely, 2^2648966443 is an apocalyptic number.

2648966443 is a deficient number, since it is larger than the sum of its proper divisors (662805).

2648966443 is an equidigital number, since it uses as much as digits as its factorization.

2648966443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662804.

The product of its digits is 5971968, while the sum is 52.

The square root of 2648966443 is about 51468.1109328874. The cubic root of 2648966443 is about 1383.6475727529.

The spelling of 2648966443 in words is "two billion, six hundred forty-eight million, nine hundred sixty-six thousand, four hundred forty-three".