2001072869418 has 32 divisors (see below), whose sum is σ = 4574103232896. Its totient is φ = 571707307008.

The previous prime is 2001072869417. The next prime is 2001072869443. The reversal of 2001072869418 is 8149682701002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2001072869417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276271 + ... + 2019522.

It is an arithmetic number, because the mean of its divisors is an integer number (142940726028).

Almost surely, 2^{2001072869418} is an apocalyptic number.

2001072869418 is an abundant number, since it is smaller than the sum of its proper divisors (2573030363478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001072869418 is a wasteful number, since it uses less digits than its factorization.

2001072869418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316558.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 2001072869418 in words is "two trillion, one billion, seventy-two million, eight hundred sixty-nine thousand, four hundred eighteen".