42006739213784 has 16 divisors (see below), whose sum is σ = 78764782171200. Its totient is φ = 21002797301472.

The previous prime is 42006739213771. The next prime is 42006739213843. The reversal of 42006739213784 is 48731293760024.

It is a happy number.

42006739213784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42006739213784² (a number of 28 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 71226152 + ... + 71813495.

It is an arithmetic number, because the mean of its divisors is an integer number (4922798885700).

Almost surely, 2^{42006739213784} is an apocalyptic number.

It is an amenable number.

42006739213784 is a deficient number, since it is larger than the sum of its proper divisors (36758042957416).

42006739213784 is a wasteful number, since it uses less digits than its factorization.

42006739213784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143076362 (or 143076358 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 42006739213784 in words is "forty-two trillion, six billion, seven hundred thirty-nine million, two hundred thirteen thousand, seven hundred eighty-four".