42601066351 has 4 divisors (see below), whose sum is σ = 42713470600. Its totient is φ = 42488662104.

The previous prime is 42601066303. The next prime is 42601066367. The reversal of 42601066351 is 15366010624.

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

It is a cyclic number.

It is not a de Polignac number, because 42601066351 - 2⁹ = 42601065839 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 (42607066351) 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 3 ways as a sum of consecutive naturals, for example, 56201556 + ... + 56202313.

It is an arithmetic number, because the mean of its divisors is an integer number (10678367650).

Almost surely, 2^42601066351 is an apocalyptic number.

42601066351 is a deficient number, since it is larger than the sum of its proper divisors (112404249).

42601066351 is a wasteful number, since it uses less digits than its factorization.

42601066351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112404248.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 42601066351 its reverse (15366010624), we get a palindrome (57967076975).

The spelling of 42601066351 in words is "forty-two billion, six hundred one million, sixty-six thousand, three hundred fifty-one".