32534405421 has 24 divisors (see below), whose sum is σ = 51344739264. Its totient is φ = 17950007040.

The previous prime is 32534405381. The next prime is 32534405429. The reversal of 32534405421 is 12450443523.

It is not a de Polignac number, because 32534405421 - 2¹⁸ = 32534143277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32534405429) 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, 903420 + ... + 938741.

It is an arithmetic number, because the mean of its divisors is an integer number (2139364136).

Almost surely, 2^32534405421 is an apocalyptic number.

It is an amenable number.

32534405421 is a deficient number, since it is larger than the sum of its proper divisors (18810333843).

32534405421 is a wasteful number, since it uses less digits than its factorization.

32534405421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842229 (or 1842200 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 32534405421 its reverse (12450443523), we get a palindrome (44984848944).

The spelling of 32534405421 in words is "thirty-two billion, five hundred thirty-four million, four hundred five thousand, four hundred twenty-one".