42173046053 has 2 divisors, whose sum is σ = 42173046054. Its totient is φ = 42173046052.

The previous prime is 42173046037. The next prime is 42173046073. The reversal of 42173046053 is 35064037124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34350174244 + 7822871809 = 185338^2 + 88447^2 .

It is a cyclic number.

It is not a de Polignac number, because 42173046053 - 2⁴ = 42173046037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42173046073) 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, 21086523026 + 21086523027.

It is an arithmetic number, because the mean of its divisors is an integer number (21086523027).

Almost surely, 2^42173046053 is an apocalyptic number.

It is an amenable number.

42173046053 is a deficient number, since it is larger than the sum of its proper divisors (1).

42173046053 is an equidigital number, since it uses as much as digits as its factorization.

42173046053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 42173046053 in words is "forty-two billion, one hundred seventy-three million, forty-six thousand, fifty-three".