1999872293601 has 256 divisors, whose sum is σ = 3630177976320. Its totient is φ = 950530775040.

The previous prime is 1999872293591. The next prime is 1999872293609. The reversal of 1999872293601 is 1063922789991.

It is not a de Polignac number, because 1999872293601 - 2²⁶ = 1999805184737 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1999872293609) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1160691126 + ... + 1160692848.

It is an arithmetic number, because the mean of its divisors is an integer number (14180382720).

Almost surely, 2^{1999872293601} is an apocalyptic number.

It is an amenable number.

1999872293601 is a deficient number, since it is larger than the sum of its proper divisors (1630305682719).

1999872293601 is a wasteful number, since it uses less digits than its factorization.

1999872293601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 26453952, while the sum is 66.

The spelling of 1999872293601 in words is "one trillion, nine hundred ninety-nine billion, eight hundred seventy-two million, two hundred ninety-three thousand, six hundred one".