2001867036669 has 24 divisors (see below), whose sum is σ = 2909859432480. Its totient is φ = 1326147010272.

The previous prime is 2001867036643. The next prime is 2001867036731. The reversal of 2001867036669 is 9666307681002.

It is not a de Polignac number, because 2001867036669 - 2¹⁹ = 2001866512381 is a prime.

It is a super-2 number, since 2×2001867036669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001867036469) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 8053162 + ... + 8298020.

It is an arithmetic number, because the mean of its divisors is an integer number (121244143020).

Almost surely, 2^{2001867036669} is an apocalyptic number.

It is an amenable number.

2001867036669 is a deficient number, since it is larger than the sum of its proper divisors (907992395811).

2001867036669 is a wasteful number, since it uses less digits than its factorization.

2001867036669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250601 (or 250598 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 2001867036669 in words is "two trillion, one billion, eight hundred sixty-seven million, thirty-six thousand, six hundred sixty-nine".