4513534140221 has 24 divisors (see below), whose sum is σ = 4704124505472. Its totient is φ = 4330313244000.

The previous prime is 4513534140211. The next prime is 4513534140223. The reversal of 4513534140221 is 1220414353154.

It is a de Polignac number, because none of the positive numbers 2^k-4513534140221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4513534140223) 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, 72959915 + ... + 73021751.

It is an arithmetic number, because the mean of its divisors is an integer number (196005187728).

Almost surely, 2^{4513534140221} is an apocalyptic number.

It is an amenable number.

4513534140221 is a deficient number, since it is larger than the sum of its proper divisors (190590365251).

4513534140221 is a wasteful number, since it uses less digits than its factorization.

4513534140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62553 (or 62522 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 4513534140221 its reverse (1220414353154), we get a palindrome (5733948493375).

The spelling of 4513534140221 in words is "four trillion, five hundred thirteen billion, five hundred thirty-four million, one hundred forty thousand, two hundred twenty-one".