42006566102 has 4 divisors (see below), whose sum is σ = 63009849156. Its totient is φ = 21003283050.

The previous prime is 42006566093. The next prime is 42006566153. The reversal of 42006566102 is 20166560024.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10501641524 + ... + 10501641527.

It is an arithmetic number, because the mean of its divisors is an integer number (15752462289).

Almost surely, 2^42006566102 is an apocalyptic number.

42006566102 is a deficient number, since it is larger than the sum of its proper divisors (21003283054).

42006566102 is a wasteful number, since it uses less digits than its factorization.

42006566102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21003283053.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 42006566102 in words is "forty-two billion, six million, five hundred sixty-six thousand, one hundred two".