42671036863865 has 8 divisors (see below), whose sum is σ = 51211598081280. Its totient is φ = 34132593594672.

The previous prime is 42671036863853. The next prime is 42671036863879. The reversal of 42671036863865 is 56836863017624.

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 42671036863865 - 2¹⁰ = 42671036862841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529442729 + ... + 529523318.

It is an arithmetic number, because the mean of its divisors is an integer number (6401449760160).

Almost surely, 2^{42671036863865} is an apocalyptic number.

It is an amenable number.

42671036863865 is a deficient number, since it is larger than the sum of its proper divisors (8540561217415).

42671036863865 is a wasteful number, since it uses less digits than its factorization.

42671036863865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058974111.

The product of its (nonzero) digits is 209018880, while the sum is 65.

The spelling of 42671036863865 in words is "forty-two trillion, six hundred seventy-one billion, thirty-six million, eight hundred sixty-three thousand, eight hundred sixty-five".