42570373669 has 2 divisors, whose sum is σ = 42570373670. Its totient is φ = 42570373668.

The previous prime is 42570373667. The next prime is 42570373679. The reversal of 42570373669 is 96637307524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25268917444 + 17301456225 = 158962^2 + 131535^2 .

It is a cyclic number.

It is not a de Polignac number, because 42570373669 - 2¹ = 42570373667 is a prime.

It is a super-2 number, since 2×42570373669² (a number of 22 digits) contains 22 as substring.

Together with 42570373667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42570373667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21285186834 + 21285186835.

It is an arithmetic number, because the mean of its divisors is an integer number (21285186835).

Almost surely, 2^42570373669 is an apocalyptic number.

It is an amenable number.

42570373669 is a deficient number, since it is larger than the sum of its proper divisors (1).

42570373669 is an equidigital number, since it uses as much as digits as its factorization.

42570373669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 42570373669 in words is "forty-two billion, five hundred seventy million, three hundred seventy-three thousand, six hundred sixty-nine".