32434202421 has 6 divisors (see below), whose sum is σ = 46849403510. Its totient is φ = 21622801608.

The previous prime is 32434202401. The next prime is 32434202429. The reversal of 32434202421 is 12420243423.

32434202421 is a `hidden beast` number, since 3 + 2 + 4 + 34 + 202 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23099744196 + 9334458225 = 151986^2 + 96615^2 .

It is not a de Polignac number, because 32434202421 - 2⁶ = 32434202357 is a prime.

It is a super-2 number, since 2×32434202421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32434202429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1801900126 + ... + 1801900143.

Almost surely, 2^32434202421 is an apocalyptic number.

It is an amenable number.

32434202421 is a deficient number, since it is larger than the sum of its proper divisors (14415201089).

32434202421 is a wasteful number, since it uses less digits than its factorization.

32434202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603800275 (or 3603800272 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 32434202421 its reverse (12420243423), we get a palindrome (44854445844).

The spelling of 32434202421 in words is "thirty-two billion, four hundred thirty-four million, two hundred two thousand, four hundred twenty-one".