2636020011643 has 8 divisors (see below), whose sum is σ = 2648080512000. Its totient is φ = 2623961652648.

The previous prime is 2636020011641. The next prime is 2636020011701. The reversal of 2636020011643 is 3461100206362.

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 2636020011643 - 2¹ = 2636020011641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2636020011599 and 2636020011608.

It is not an unprimeable number, because it can be changed into a prime (2636020011641) 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, 1958808 + ... + 3018106.

It is an arithmetic number, because the mean of its divisors is an integer number (331010064000).

Almost surely, 2^{2636020011643} is an apocalyptic number.

2636020011643 is a deficient number, since it is larger than the sum of its proper divisors (12060500357).

2636020011643 is a wasteful number, since it uses less digits than its factorization.

2636020011643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070681.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 2636020011643 in words is "two trillion, six hundred thirty-six billion, twenty million, eleven thousand, six hundred forty-three".