42784184137 has 16 divisors (see below), whose sum is σ = 45870878592. Its totient is φ = 39800661120.

The previous prime is 42784184089. The next prime is 42784184207. The reversal of 42784184137 is 73148148724.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42784184137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42784184237) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2217462 + ... + 2236672.

It is an arithmetic number, because the mean of its divisors is an integer number (2866929912).

Almost surely, 2^42784184137 is an apocalyptic number.

It is an amenable number.

42784184137 is a deficient number, since it is larger than the sum of its proper divisors (3086694455).

42784184137 is a wasteful number, since it uses less digits than its factorization.

42784184137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21888.

The product of its digits is 1204224, while the sum is 49.

The spelling of 42784184137 in words is "forty-two billion, seven hundred eighty-four million, one hundred eighty-four thousand, one hundred thirty-seven".