2000644004602 has 4 divisors (see below), whose sum is σ = 3000966006906. Its totient is φ = 1000322002300.

The previous prime is 2000644004519. The next prime is 2000644004627. The reversal of 2000644004602 is 2064004460002.

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

It can be written as a sum of positive squares in only one way, i.e., 1975461171121 + 25182833481 = 1405511^2 + 158691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500161001149 + ... + 500161001152.

Almost surely, 2^{2000644004602} is an apocalyptic number.

2000644004602 is a deficient number, since it is larger than the sum of its proper divisors (1000322002304).

2000644004602 is a wasteful number, since it uses less digits than its factorization.

2000644004602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000322002303.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2000644004602 its reverse (2064004460002), we get a palindrome (4064648464604).

The spelling of 2000644004602 in words is "two trillion, six hundred forty-four million, four thousand, six hundred two".