2641320003 has 16 divisors (see below), whose sum is σ = 4035019520. Its totient is φ = 1505519136.

The previous prime is 2641319953. The next prime is 2641320007. The reversal of 2641320003 is 3000231462.

It is a happy number.

It is not a de Polignac number, because 2641320003 - 2¹⁴ = 2641303619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2641320007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150073 + ... + 166746.

It is an arithmetic number, because the mean of its divisors is an integer number (252188720).

Almost surely, 2^2641320003 is an apocalyptic number.

2641320003 is a deficient number, since it is larger than the sum of its proper divisors (1393699517).

2641320003 is a wasteful number, since it uses less digits than its factorization.

2641320003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317226.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2641320003 is about 51393.7739711728. The cubic root of 2641320003 is about 1382.3149555860.

Adding to 2641320003 its reverse (3000231462), we get a palindrome (5641551465).

The spelling of 2641320003 in words is "two billion, six hundred forty-one million, three hundred twenty thousand, three".