2000813309428 has 6 divisors (see below), whose sum is σ = 3501423291506. Its totient is φ = 1000406654712.

The previous prime is 2000813309413. The next prime is 2000813309431. The reversal of 2000813309428 is 8249033180002.

It can be written as a sum of positive squares in only one way, i.e., 1283299277584 + 717514031844 = 1132828^2 + 847062^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250101663675 + ... + 250101663682.

Almost surely, 2^{2000813309428} is an apocalyptic number.

It is an amenable number.

2000813309428 is a deficient number, since it is larger than the sum of its proper divisors (1500609982078).

2000813309428 is a wasteful number, since it uses less digits than its factorization.

2000813309428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500203327361 (or 500203327359 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 2000813309428 in words is "two trillion, eight hundred thirteen million, three hundred nine thousand, four hundred twenty-eight".