64032004189 has 2 divisors, whose sum is σ = 64032004190. Its totient is φ = 64032004188.

The previous prime is 64032003989. The next prime is 64032004193. The reversal of 64032004189 is 98140023046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49613998564 + 14418005625 = 222742^2 + 120075^2 .

It is a cyclic number.

It is not a de Polignac number, because 64032004189 - 2¹¹ = 64032002141 is a prime.

It is a super-2 number, since 2×64032004189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64032005189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32016002094 + 32016002095.

It is an arithmetic number, because the mean of its divisors is an integer number (32016002095).

Almost surely, 2^64032004189 is an apocalyptic number.

It is an amenable number.

64032004189 is a deficient number, since it is larger than the sum of its proper divisors (1).

64032004189 is an equidigital number, since it uses as much as digits as its factorization.

64032004189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 64032004189 in words is "sixty-four billion, thirty-two million, four thousand, one hundred eighty-nine".