42558735941 has 2 divisors, whose sum is σ = 42558735942. Its totient is φ = 42558735940.

The previous prime is 42558735931. The next prime is 42558735979. The reversal of 42558735941 is 14953785524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41424460900 + 1134275041 = 203530^2 + 33679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42558735941 is a prime.

It is a super-2 number, since 2×42558735941² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42558735931) 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, 21279367970 + 21279367971.

It is an arithmetic number, because the mean of its divisors is an integer number (21279367971).

Almost surely, 2^42558735941 is an apocalyptic number.

It is an amenable number.

42558735941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42558735941 is an equidigital number, since it uses as much as digits as its factorization.

42558735941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048000, while the sum is 53.

The spelling of 42558735941 in words is "forty-two billion, five hundred fifty-eight million, seven hundred thirty-five thousand, nine hundred forty-one".