42851043470567 has 32 divisors (see below), whose sum is σ = 45606297231360. Its totient is φ = 40198628701440.

The previous prime is 42851043470527. The next prime is 42851043470591. The reversal of 42851043470567 is 76507434015824.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42851043470567 - 2¹⁸ = 42851043208423 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 (42851043470507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810180659 + ... + 810233547.

It is an arithmetic number, because the mean of its divisors is an integer number (1425196788480).

Almost surely, 2^{42851043470567} is an apocalyptic number.

42851043470567 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42851043470567 is a deficient number, since it is larger than the sum of its proper divisors (2755253760793).

42851043470567 is a wasteful number, since it uses less digits than its factorization.

42851043470567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58271.

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 42851043470567 in words is "forty-two trillion, eight hundred fifty-one billion, forty-three million, four hundred seventy thousand, five hundred sixty-seven".