2000773271687 has 4 divisors (see below), whose sum is σ = 2000839889856. Its totient is φ = 2000706653520.

The previous prime is 2000773271659. The next prime is 2000773271689. The reversal of 2000773271687 is 7861723770002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000773271687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000773271689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33264014 + ... + 33324107.

It is an arithmetic number, because the mean of its divisors is an integer number (500209972464).

Almost surely, 2^{2000773271687} is an apocalyptic number.

2000773271687 is a deficient number, since it is larger than the sum of its proper divisors (66618169).

2000773271687 is an equidigital number, since it uses as much as digits as its factorization.

2000773271687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66618168.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 2000773271687 in words is "two trillion, seven hundred seventy-three million, two hundred seventy-one thousand, six hundred eighty-seven".