13001100327644 has 72 divisors (see below), whose sum is σ = 26810662024944. Its totient is φ = 5438500531200.

The previous prime is 13001100327641. The next prime is 13001100327647. The reversal of 13001100327644 is 44672300110031.

It is an interprime number because it is at equal distance from previous prime (13001100327641) and next prime (13001100327647).

It is a self number, because there is not a number n which added to its sum of digits gives 13001100327644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001100327641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62565164 + ... + 62772620.

It is an arithmetic number, because the mean of its divisors is an integer number (372370305902).

Almost surely, 2^{13001100327644} is an apocalyptic number.

It is an amenable number.

13001100327644 is an abundant number, since it is smaller than the sum of its proper divisors (13809561697300).

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

13001100327644 is a wasteful number, since it uses less digits than its factorization.

13001100327644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208147 (or 207814 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 13001100327644 its reverse (44672300110031), we get a palindrome (57673400437675).

The spelling of 13001100327644 in words is "thirteen trillion, one billion, one hundred million, three hundred twenty-seven thousand, six hundred forty-four".