42210670867 has 4 divisors (see below), whose sum is σ = 42223918696. Its totient is φ = 42197423040.

The previous prime is 42210670823. The next prime is 42210670927. The reversal of 42210670867 is 76807601224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42210670867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42210670367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6619134 + ... + 6625507.

It is an arithmetic number, because the mean of its divisors is an integer number (10555979674).

Almost surely, 2^42210670867 is an apocalyptic number.

42210670867 is a deficient number, since it is larger than the sum of its proper divisors (13247829).

42210670867 is a wasteful number, since it uses less digits than its factorization.

42210670867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13247828.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 42210670867 in words is "forty-two billion, two hundred ten million, six hundred seventy thousand, eight hundred sixty-seven".