2643004005 has 16 divisors (see below), whose sum is σ = 4230164544. Its totient is φ = 1409149440.

The previous prime is 2643003989. The next prime is 2643004009. The reversal of 2643004005 is 5004003462.

It is not a de Polignac number, because 2643004005 - 2⁴ = 2643003989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643004009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22965 + ... + 76245.

It is an arithmetic number, because the mean of its divisors is an integer number (264385284).

Almost surely, 2^2643004005 is an apocalyptic number.

It is an amenable number.

2643004005 is a deficient number, since it is larger than the sum of its proper divisors (1587160539).

2643004005 is a wasteful number, since it uses less digits than its factorization.

2643004005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56596.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2643004005 is about 51410.1546875712. The cubic root of 2643004005 is about 1382.6086631026.

Adding to 2643004005 its reverse (5004003462), we get a palindrome (7647007467).

The spelling of 2643004005 in words is "two billion, six hundred forty-three million, four thousand, five".