42403115533 has 2 divisors, whose sum is σ = 42403115534. Its totient is φ = 42403115532.

The previous prime is 42403115483. The next prime is 42403115543. The reversal of 42403115533 is 33551130424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40835113929 + 1568001604 = 202077^2 + 39598^2 .

It is a cyclic number.

It is not a de Polignac number, because 42403115533 - 2¹⁷ = 42402984461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42403115495 and 42403115504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42403115543) 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, 21201557766 + 21201557767.

It is an arithmetic number, because the mean of its divisors is an integer number (21201557767).

Almost surely, 2^42403115533 is an apocalyptic number.

It is an amenable number.

42403115533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42403115533 is an equidigital number, since it uses as much as digits as its factorization.

42403115533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 42403115533 its reverse (33551130424), we get a palindrome (75954245957).

The spelling of 42403115533 in words is "forty-two billion, four hundred three million, one hundred fifteen thousand, five hundred thirty-three".