42176106389 has 2 divisors, whose sum is σ = 42176106390. Its totient is φ = 42176106388.

The previous prime is 42176106377. The next prime is 42176106403. The reversal of 42176106389 is 98360167124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39105062500 + 3071043889 = 197750^2 + 55417^2 .

It is a cyclic number.

It is not a de Polignac number, because 42176106389 - 2²⁸ = 41907670933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42176106359) 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 as a sum of consecutive naturals, namely, 21088053194 + 21088053195.

It is an arithmetic number, because the mean of its divisors is an integer number (21088053195).

Almost surely, 2^42176106389 is an apocalyptic number.

It is an amenable number.

42176106389 is a deficient number, since it is larger than the sum of its proper divisors (1).

42176106389 is an equidigital number, since it uses as much as digits as its factorization.

42176106389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 42176106389 in words is "forty-two billion, one hundred seventy-six million, one hundred six thousand, three hundred eighty-nine".