42861805318997 has 8 divisors (see below), whose sum is σ = 48997600934016. Its totient is φ = 36729179846352.

The previous prime is 42861805318963. The next prime is 42861805319057. The reversal of 42861805318997 is 79981350816824.

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

It is not a de Polignac number, because 42861805318997 - 2⁸ = 42861805318741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42861805318997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861805317997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792506618 + ... + 792560699.

It is an arithmetic number, because the mean of its divisors is an integer number (6124700116752).

It is a 2-persistent number, because it is pandigital, and so is 2⋅42861805318997 = 85723610637994, but 3⋅42861805318997 = 128585415956991 is not.

Almost surely, 2^{42861805318997} is an apocalyptic number.

It is an amenable number.

42861805318997 is a deficient number, since it is larger than the sum of its proper divisors (6135795615019).

42861805318997 is a wasteful number, since it uses less digits than its factorization.

42861805318997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585071187.

The product of its (nonzero) digits is 209018880, while the sum is 71.

The spelling of 42861805318997 in words is "forty-two trillion, eight hundred sixty-one billion, eight hundred five million, three hundred eighteen thousand, nine hundred ninety-seven".