42057760513 has 2 divisors, whose sum is σ = 42057760514. Its totient is φ = 42057760512.

The previous prime is 42057760499. The next prime is 42057760567. The reversal of 42057760513 is 31506775024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25647381904 + 16410378609 = 160148^2 + 128103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42057760513 is a prime.

It is not a weakly prime, because it can be changed into another prime (42057760583) 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, 21028880256 + 21028880257.

It is an arithmetic number, because the mean of its divisors is an integer number (21028880257).

Almost surely, 2^42057760513 is an apocalyptic number.

It is an amenable number.

42057760513 is a deficient number, since it is larger than the sum of its proper divisors (1).

42057760513 is an equidigital number, since it uses as much as digits as its factorization.

42057760513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 42057760513 in words is "forty-two billion, fifty-seven million, seven hundred sixty thousand, five hundred thirteen".