432002134040521 has 4 divisors (see below), whose sum is σ = 471275055316944. Its totient is φ = 392729212764100.

The previous prime is 432002134040479. The next prime is 432002134040549. The reversal of 432002134040521 is 125040431200234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 432002134040521 - 2¹⁷ = 432002133909449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432002134440521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19636460638195 + ... + 19636460638216.

It is an arithmetic number, because the mean of its divisors is an integer number (117818763829236).

Almost surely, 2^{432002134040521} is an apocalyptic number.

It is an amenable number.

432002134040521 is a deficient number, since it is larger than the sum of its proper divisors (39272921276423).

432002134040521 is a wasteful number, since it uses less digits than its factorization.

432002134040521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39272921276422.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 432002134040521 its reverse (125040431200234), we get a palindrome (557042565240755).

The spelling of 432002134040521 in words is "four hundred thirty-two trillion, two billion, one hundred thirty-four million, forty thousand, five hundred twenty-one".