2641188891894 has 32 divisors (see below), whose sum is σ = 6231745222656. Its totient is φ = 730282642560.

The previous prime is 2641188891893. The next prime is 2641188891953. The reversal of 2641188891894 is 4981988811462.

2641188891894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641188891893) 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, 1014280147 + ... + 1014282750.

It is an arithmetic number, because the mean of its divisors is an integer number (194742038208).

Almost surely, 2^{2641188891894} is an apocalyptic number.

2641188891894 is an abundant number, since it is smaller than the sum of its proper divisors (3590556330762).

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

2641188891894 is a wasteful number, since it uses less digits than its factorization.

2641188891894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028562940.

The product of its digits is 63700992, while the sum is 69.

The spelling of 2641188891894 in words is "two trillion, six hundred forty-one billion, one hundred eighty-eight million, eight hundred ninety-one thousand, eight hundred ninety-four".