42647134673 has 16 divisors (see below), whose sum is σ = 50242550400. Its totient is φ = 35688074880.

The previous prime is 42647134667. The next prime is 42647134781. The reversal of 42647134673 is 37643174624.

It is a cyclic number.

It is not a de Polignac number, because 42647134673 - 2⁸ = 42647134417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42647134603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364028 + ... + 466701.

It is an arithmetic number, because the mean of its divisors is an integer number (3140159400).

Almost surely, 2^42647134673 is an apocalyptic number.

It is an amenable number.

42647134673 is a deficient number, since it is larger than the sum of its proper divisors (7595415727).

42647134673 is a wasteful number, since it uses less digits than its factorization.

42647134673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831112.

The product of its digits is 2032128, while the sum is 47.

The spelling of 42647134673 in words is "forty-two billion, six hundred forty-seven million, one hundred thirty-four thousand, six hundred seventy-three".