42647151842 has 8 divisors (see below), whose sum is σ = 64035282432. Its totient is φ = 21302057700.

The previous prime is 42647151821. The next prime is 42647151851. The reversal of 42647151842 is 24815174624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42647151793 and 42647151802.

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, 10756634 + ... + 10760597.

It is an arithmetic number, because the mean of its divisors is an integer number (8004410304).

Almost surely, 2^42647151842 is an apocalyptic number.

42647151842 is a deficient number, since it is larger than the sum of its proper divisors (21388130590).

42647151842 is a wasteful number, since it uses less digits than its factorization.

42647151842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518224.

The product of its digits is 430080, while the sum is 44.

The spelling of 42647151842 in words is "forty-two billion, six hundred forty-seven million, one hundred fifty-one thousand, eight hundred forty-two".