2163221544741 has 16 divisors (see below), whose sum is σ = 2889495984000. Its totient is φ = 1439547752448.

The previous prime is 2163221544733. The next prime is 2163221544791. The reversal of 2163221544741 is 1474451223612.

It is not a de Polignac number, because 2163221544741 - 2³ = 2163221544733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2163221544693 and 2163221544702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163221544791) 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, 31208200 + ... + 31277438.

It is an arithmetic number, because the mean of its divisors is an integer number (180593499000).

Almost surely, 2^{2163221544741} is an apocalyptic number.

It is an amenable number.

2163221544741 is a deficient number, since it is larger than the sum of its proper divisors (726274439259).

2163221544741 is a wasteful number, since it uses less digits than its factorization.

2163221544741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87868.

The product of its digits is 322560, while the sum is 42.

The spelling of 2163221544741 in words is "two trillion, one hundred sixty-three billion, two hundred twenty-one million, five hundred forty-four thousand, seven hundred forty-one".