42443220332113 has 4 divisors (see below), whose sum is σ = 43906779653940. Its totient is φ = 40979661010288.

The previous prime is 42443220332101. The next prime is 42443220332119. The reversal of 42443220332113 is 31123302234424.

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 18851722208449 + 23591498123664 = 4341857^2 + 4857108^2 .

It is a cyclic number.

It is not a de Polignac number, because 42443220332113 - 2⁹ = 42443220331601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42443220332119) 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, 731779660870 + ... + 731779660927.

It is an arithmetic number, because the mean of its divisors is an integer number (10976694913485).

Almost surely, 2^{42443220332113} is an apocalyptic number.

It is an amenable number.

42443220332113 is a deficient number, since it is larger than the sum of its proper divisors (1463559321827).

42443220332113 is a wasteful number, since it uses less digits than its factorization.

42443220332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463559321826.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 42443220332113 its reverse (31123302234424), we get a palindrome (73566522566537).

The spelling of 42443220332113 in words is "forty-two trillion, four hundred forty-three billion, two hundred twenty million, three hundred thirty-two thousand, one hundred thirteen".