2000018199967 has 4 divisors (see below), whose sum is σ = 2004658613856. Its totient is φ = 1995377786080.

The previous prime is 2000018199941. The next prime is 2000018200049. The reversal of 2000018199967 is 7699918100002.

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-2000018199967 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 (2000018199467) 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, 2320206298 + ... + 2320207159.

It is an arithmetic number, because the mean of its divisors is an integer number (501164653464).

Almost surely, 2^{2000018199967} is an apocalyptic number.

2000018199967 is a deficient number, since it is larger than the sum of its proper divisors (4640413889).

2000018199967 is an equidigital number, since it uses as much as digits as its factorization.

2000018199967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640413888.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 2000018199967 in words is "two trillion, eighteen million, one hundred ninety-nine thousand, nine hundred sixty-seven".