42544354013 has 16 divisors (see below), whose sum is σ = 51186915840. Its totient is φ = 34543422000.

The previous prime is 42544354009. The next prime is 42544354063. The reversal of 42544354013 is 31045344524.

It is a cyclic number.

It is not a de Polignac number, because 42544354013 - 2² = 42544354009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544354063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204978 + ... + 2224188.

It is an arithmetic number, because the mean of its divisors is an integer number (3199182240).

Almost surely, 2^42544354013 is an apocalyptic number.

It is an amenable number.

42544354013 is a deficient number, since it is larger than the sum of its proper divisors (8642561827).

42544354013 is a wasteful number, since it uses less digits than its factorization.

42544354013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35888.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 42544354013 its reverse (31045344524), we get a palindrome (73589698537).

The spelling of 42544354013 in words is "forty-two billion, five hundred forty-four million, three hundred fifty-four thousand, thirteen".