2160421450005 has 128 divisors (see below), whose sum is σ = 4275022381056. Its totient is φ = 907235251200.

The previous prime is 2160421449973. The next prime is 2160421450007. The reversal of 2160421450005 is 5000541240612.

It is not a de Polignac number, because 2160421450005 - 2⁵ = 2160421449973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160421450007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 256243140 + ... + 256251570.

It is an arithmetic number, because the mean of its divisors is an integer number (33398612352).

Almost surely, 2^{2160421450005} is an apocalyptic number.

It is an amenable number.

2160421450005 is a deficient number, since it is larger than the sum of its proper divisors (2114600931051).

2160421450005 is a wasteful number, since it uses less digits than its factorization.

2160421450005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2160421450005 its reverse (5000541240612), we get a palindrome (7160962690617).

The spelling of 2160421450005 in words is "two trillion, one hundred sixty billion, four hundred twenty-one million, four hundred fifty thousand, five".