42143116406 has 4 divisors (see below), whose sum is σ = 63214674612. Its totient is φ = 21071558202.

The previous prime is 42143116387. The next prime is 42143116469. The reversal of 42143116406 is 60461134124.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10535779100 + ... + 10535779103.

It is an arithmetic number, because the mean of its divisors is an integer number (15803668653).

Almost surely, 2^42143116406 is an apocalyptic number.

42143116406 is a deficient number, since it is larger than the sum of its proper divisors (21071558206).

42143116406 is a wasteful number, since it uses less digits than its factorization.

42143116406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21071558205.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 42143116406 in words is "forty-two billion, one hundred forty-three million, one hundred sixteen thousand, four hundred six".