1534032243221 has 16 divisors (see below), whose sum is σ = 1595614511040. Its totient is φ = 1473632939520.

The previous prime is 1534032243199. The next prime is 1534032243281. The reversal of 1534032243221 is 1223422304351.

It is a cyclic number.

It is not a de Polignac number, because 1534032243221 - 2¹⁸ = 1534031981077 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 (1534032243281) 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, 29044325 + ... + 29097093.

It is an arithmetic number, because the mean of its divisors is an integer number (99725906940).

Almost surely, 2^{1534032243221} is an apocalyptic number.

It is an amenable number.

1534032243221 is a deficient number, since it is larger than the sum of its proper divisors (61582267819).

1534032243221 is a wasteful number, since it uses less digits than its factorization.

1534032243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63956.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1534032243221 its reverse (1223422304351), we get a palindrome (2757454547572).

The spelling of 1534032243221 in words is "one trillion, five hundred thirty-four billion, thirty-two million, two hundred forty-three thousand, two hundred twenty-one".