42566123413 has 16 divisors (see below), whose sum is σ = 47247105600. Its totient is φ = 38024311680.

The previous prime is 42566123393. The next prime is 42566123417. The reversal of 42566123413 is 31432166524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42566123413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42566123417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117478 + ... + 314536.

It is an arithmetic number, because the mean of its divisors is an integer number (2952944100).

Almost surely, 2^42566123413 is an apocalyptic number.

It is an amenable number.

42566123413 is a deficient number, since it is larger than the sum of its proper divisors (4680982187).

42566123413 is a wasteful number, since it uses less digits than its factorization.

42566123413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197412.

The product of its digits is 103680, while the sum is 37.

Adding to 42566123413 its reverse (31432166524), we get a palindrome (73998289937).

The spelling of 42566123413 in words is "forty-two billion, five hundred sixty-six million, one hundred twenty-three thousand, four hundred thirteen".