2097745599544 has 64 divisors (see below), whose sum is σ = 4550463590400. Its totient is φ = 887980351104.

The previous prime is 2097745599529. The next prime is 2097745599571. The reversal of 2097745599544 is 4459955477902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19276774 + ... + 19385290.

It is an arithmetic number, because the mean of its divisors is an integer number (71100993600).

Almost surely, 2^{2097745599544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097745599544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275231795200).

2097745599544 is an abundant number, since it is smaller than the sum of its proper divisors (2452717990856).

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

2097745599544 is a wasteful number, since it uses less digits than its factorization.

2097745599544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112772 (or 112768 counting only the distinct ones).

The product of its (nonzero) digits is 571536000, while the sum is 70.

The spelling of 2097745599544 in words is "two trillion, ninety-seven billion, seven hundred forty-five million, five hundred ninety-nine thousand, five hundred forty-four".