42520053473 has 2 divisors, whose sum is σ = 42520053474. Its totient is φ = 42520053472.

The previous prime is 42520053461. The next prime is 42520053481. The reversal of 42520053473 is 37435002524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28315465984 + 14204587489 = 168272^2 + 119183^2 .

It is a cyclic number.

It is not a de Polignac number, because 42520053473 - 2⁶ = 42520053409 is a prime.

It is not a weakly prime, because it can be changed into another prime (42520053403) 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, 21260026736 + 21260026737.

It is an arithmetic number, because the mean of its divisors is an integer number (21260026737).

Almost surely, 2^42520053473 is an apocalyptic number.

It is an amenable number.

42520053473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42520053473 is an equidigital number, since it uses as much as digits as its factorization.

42520053473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 35.

Adding to 42520053473 its reverse (37435002524), we get a palindrome (79955055997).

The spelling of 42520053473 in words is "forty-two billion, five hundred twenty million, fifty-three thousand, four hundred seventy-three".