2661364003 has 2 divisors, whose sum is σ = 2661364004. Its totient is φ = 2661364002.

The previous prime is 2661363989. The next prime is 2661364007. The reversal of 2661364003 is 3004631662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2661364003 - 2²⁵ = 2627809571 is a prime.

It is not a weakly prime, because it can be changed into another prime (2661364007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330682001 + 1330682002.

It is an arithmetic number, because the mean of its divisors is an integer number (1330682002).

Almost surely, 2^2661364003 is an apocalyptic number.

2661364003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2661364003 is an equidigital number, since it uses as much as digits as its factorization.

2661364003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2661364003 is about 51588.4095800597. The cubic root of 2661364003 is about 1385.8027733649.

Adding to 2661364003 its reverse (3004631662), we get a palindrome (5665995665).

The spelling of 2661364003 in words is "two billion, six hundred sixty-one million, three hundred sixty-four thousand, three".