42867263561 has 8 divisors (see below), whose sum is σ = 43136926560. Its totient is φ = 42597682272.

The previous prime is 42867263521. The next prime is 42867263591. The reversal of 42867263561 is 16536276824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42867263561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42867263521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297301 + ... + 1329933.

It is an arithmetic number, because the mean of its divisors is an integer number (5392115820).

Almost surely, 2^42867263561 is an apocalyptic number.

It is an amenable number.

42867263561 is a deficient number, since it is larger than the sum of its proper divisors (269662999).

42867263561 is a wasteful number, since it uses less digits than its factorization.

42867263561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40855.

The product of its digits is 2903040, while the sum is 50.

The spelling of 42867263561 in words is "forty-two billion, eight hundred sixty-seven million, two hundred sixty-three thousand, five hundred sixty-one".