32144975189 has 4 divisors (see below), whose sum is σ = 32145436224. Its totient is φ = 32144514156.

The previous prime is 32144975153. The next prime is 32144975273. The reversal of 32144975189 is 98157944123.

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 32144975189 - 2¹⁶ = 32144909653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32144975189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32144975089) 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, 102077 + ... + 273330.

It is an arithmetic number, because the mean of its divisors is an integer number (8036359056).

Almost surely, 2^32144975189 is an apocalyptic number.

It is an amenable number.

32144975189 is a deficient number, since it is larger than the sum of its proper divisors (461035).

32144975189 is an equidigital number, since it uses as much as digits as its factorization.

32144975189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461034.

The product of its digits is 2177280, while the sum is 53.

The spelling of 32144975189 in words is "thirty-two billion, one hundred forty-four million, nine hundred seventy-five thousand, one hundred eighty-nine".