42861672899 has 8 divisors (see below), whose sum is σ = 45564260880. Its totient is φ = 40203756000.

The previous prime is 42861672881. The next prime is 42861672961. The reversal of 42861672899 is 99827616824.

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

It is a cyclic number.

It is not a de Polignac number, because 42861672899 - 2⁸ = 42861672643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42861672599) 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 7 ways as a sum of consecutive naturals, for example, 11165792 + ... + 11169629.

It is an arithmetic number, because the mean of its divisors is an integer number (5695532610).

Almost surely, 2^42861672899 is an apocalyptic number.

42861672899 is a deficient number, since it is larger than the sum of its proper divisors (2702587981).

42861672899 is a wasteful number, since it uses less digits than its factorization.

42861672899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335541.

The product of its digits is 20901888, while the sum is 62.

The spelling of 42861672899 in words is "forty-two billion, eight hundred sixty-one million, six hundred seventy-two thousand, eight hundred ninety-nine".