42850071553 has 2 divisors, whose sum is σ = 42850071554. Its totient is φ = 42850071552.

The previous prime is 42850071491. The next prime is 42850071611. The reversal of 42850071553 is 35517005824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25693525264 + 17156546289 = 160292^2 + 130983^2 .

It is a cyclic number.

It is not a de Polignac number, because 42850071553 - 2³³ = 34260136961 is a prime.

It is a super-2 number, since 2×42850071553² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42850021553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425035776 + 21425035777.

It is an arithmetic number, because the mean of its divisors is an integer number (21425035777).

Almost surely, 2^42850071553 is an apocalyptic number.

It is an amenable number.

42850071553 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850071553 is an equidigital number, since it uses as much as digits as its factorization.

42850071553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 42850071553 in words is "forty-two billion, eight hundred fifty million, seventy-one thousand, five hundred fifty-three".