2002936638191 has 8 divisors (see below), whose sum is σ = 2045633849280. Its totient is φ = 1960242824608.

The previous prime is 2002936638179. The next prime is 2002936638193. The reversal of 2002936638191 is 1918366392002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002936638191 - 2³⁰ = 2001862896367 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 (2002936638193) 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 7 ways as a sum of consecutive naturals, for example, 360425 + ... + 2033661.

It is an arithmetic number, because the mean of its divisors is an integer number (255704231160).

Almost surely, 2^{2002936638191} is an apocalyptic number.

2002936638191 is a deficient number, since it is larger than the sum of its proper divisors (42697211089).

2002936638191 is a wasteful number, since it uses less digits than its factorization.

2002936638191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698753.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 2002936638191 in words is "two trillion, two billion, nine hundred thirty-six million, six hundred thirty-eight thousand, one hundred ninety-one".