32221513189 has 2 divisors, whose sum is σ = 32221513190. Its totient is φ = 32221513188.

The previous prime is 32221513153. The next prime is 32221513201. The reversal of 32221513189 is 98131512223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32202302500 + 19210689 = 179450^2 + 4383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32221513189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32221513139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110756594 + 16110756595.

It is an arithmetic number, because the mean of its divisors is an integer number (16110756595).

Almost surely, 2^32221513189 is an apocalyptic number.

It is an amenable number.

32221513189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221513189 is an equidigital number, since it uses as much as digits as its factorization.

32221513189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

It can be divided in two parts, 3222 and 1513189, that added together give a triangular number (1516411 = T₁₇₄₁).

The spelling of 32221513189 in words is "thirty-two billion, two hundred twenty-one million, five hundred thirteen thousand, one hundred eighty-nine".