42817246051 has 4 divisors (see below), whose sum is σ = 43625118672. Its totient is φ = 42009373432.

The previous prime is 42817245967. The next prime is 42817246063. The reversal of 42817246051 is 15064271824.

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 42817246051 - 2⁷ = 42817245923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42817245995 and 42817246013.

It is not an unprimeable number, because it can be changed into a prime (42817246081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403936231 + ... + 403936336.

It is an arithmetic number, because the mean of its divisors is an integer number (10906279668).

Almost surely, 2^42817246051 is an apocalyptic number.

42817246051 is a deficient number, since it is larger than the sum of its proper divisors (807872621).

42817246051 is an equidigital number, since it uses as much as digits as its factorization.

42817246051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807872620.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 42817246051 in words is "forty-two billion, eight hundred seventeen million, two hundred forty-six thousand, fifty-one".