42516456533 has 2 divisors, whose sum is σ = 42516456534. Its totient is φ = 42516456532.

The previous prime is 42516456511. The next prime is 42516456557. The reversal of 42516456533 is 33565461524.

42516456533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39498382564 + 3018073969 = 198742^2 + 54937^2 .

It is a cyclic number.

It is not a de Polignac number, because 42516456533 - 2⁶ = 42516456469 is a prime.

It is a super-2 number, since 2×42516456533² (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 (42516456583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21258228266 + 21258228267.

It is an arithmetic number, because the mean of its divisors is an integer number (21258228267).

Almost surely, 2^42516456533 is an apocalyptic number.

It is an amenable number.

42516456533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42516456533 is an equidigital number, since it uses as much as digits as its factorization.

42516456533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 44.

The spelling of 42516456533 in words is "forty-two billion, five hundred sixteen million, four hundred fifty-six thousand, five hundred thirty-three".