32171008901 has 4 divisors (see below), whose sum is σ = 32172000000. Its totient is φ = 32170017804.

The previous prime is 32171008843. The next prime is 32171008907. The reversal of 32171008901 is 10980017123.

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 32171008901 - 2¹⁴ = 32170992517 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 (32171008907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445151 + ... + 512348.

It is an arithmetic number, because the mean of its divisors is an integer number (8043000000).

Almost surely, 2^32171008901 is an apocalyptic number.

It is an amenable number.

32171008901 is a deficient number, since it is larger than the sum of its proper divisors (991099).

32171008901 is an equidigital number, since it uses as much as digits as its factorization.

32171008901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991098.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 32171008901 in words is "thirty-two billion, one hundred seventy-one million, eight thousand, nine hundred one".