2643320011 has 4 divisors (see below), whose sum is σ = 2758246992. Its totient is φ = 2528393032.

The previous prime is 2643319969. The next prime is 2643320027. The reversal of 2643320011 is 1100233462.

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 2643320011 - 2¹⁷ = 2643188939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2643320051) 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 3 ways as a sum of consecutive naturals, for example, 57463456 + ... + 57463501.

It is an arithmetic number, because the mean of its divisors is an integer number (689561748).

Almost surely, 2^2643320011 is an apocalyptic number.

2643320011 is a deficient number, since it is larger than the sum of its proper divisors (114926981).

2643320011 is a wasteful number, since it uses less digits than its factorization.

2643320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114926980.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2643320011 is about 51413.2279768544. The cubic root of 2643320011 is about 1382.6637639425.

Adding to 2643320011 its reverse (1100233462), we get a palindrome (3743553473).

The spelling of 2643320011 in words is "two billion, six hundred forty-three million, three hundred twenty thousand, eleven".