42256529413 has 4 divisors (see below), whose sum is σ = 48293176480. Its totient is φ = 36219882348.

The previous prime is 42256529389. The next prime is 42256529429. The reversal of 42256529413 is 31492565224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42256529413 is a prime.

It is a super-2 number, since 2×42256529413² (a number of 22 digits) contains 22 as substring.

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 42256529413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42256524413) 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, 3018323523 + ... + 3018323536.

It is an arithmetic number, because the mean of its divisors is an integer number (12073294120).

Almost surely, 2^42256529413 is an apocalyptic number.

It is an amenable number.

42256529413 is a deficient number, since it is larger than the sum of its proper divisors (6036647067).

42256529413 is an equidigital number, since it uses as much as digits as its factorization.

42256529413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036647066.

The product of its digits is 518400, while the sum is 43.

The spelling of 42256529413 in words is "forty-two billion, two hundred fifty-six million, five hundred twenty-nine thousand, four hundred thirteen".