42506053313 has 4 divisors (see below), whose sum is σ = 42926905428. Its totient is φ = 42085201200.

The previous prime is 42506053277. The next prime is 42506053321. The reversal of 42506053313 is 31335060524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36499338304 + 6006715009 = 191048^2 + 77503^2 .

It is a cyclic number.

It is not a de Polignac number, because 42506053313 - 2¹⁴ = 42506036929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42506053313.

It is not an unprimeable number, because it can be changed into a prime (42506055313) 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 in 3 ways as a sum of consecutive naturals, for example, 210425906 + ... + 210426107.

It is an arithmetic number, because the mean of its divisors is an integer number (10731726357).

Almost surely, 2^42506053313 is an apocalyptic number.

It is an amenable number.

42506053313 is a deficient number, since it is larger than the sum of its proper divisors (420852115).

42506053313 is a wasteful number, since it uses less digits than its factorization.

42506053313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420852114.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 42506053313 in words is "forty-two billion, five hundred six million, fifty-three thousand, three hundred thirteen".