42334004189 has 2 divisors, whose sum is σ = 42334004190. Its totient is φ = 42334004188.

The previous prime is 42334004179. The next prime is 42334004227. The reversal of 42334004189 is 98140043324.

It is an a-pointer prime, because the next prime (42334004227) can be obtained adding 42334004189 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36755408089 + 5578596100 = 191717^2 + 74690^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334004189 - 2⁴ = 42334004173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42334004179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167002094 + 21167002095.

It is an arithmetic number, because the mean of its divisors is an integer number (21167002095).

Almost surely, 2^42334004189 is an apocalyptic number.

It is an amenable number.

42334004189 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334004189 is an equidigital number, since it uses as much as digits as its factorization.

42334004189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 42334004189 in words is "forty-two billion, three hundred thirty-four million, four thousand, one hundred eighty-nine".