642047070005 has 16 divisors (see below), whose sum is σ = 840531109248. Its totient is φ = 466924920000.

The previous prime is 642047069947. The next prime is 642047070029. The reversal of 642047070005 is 500070740246.

It is not a de Polignac number, because 642047070005 - 2⁶ = 642047069941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265735 + ... + 1698875.

It is an arithmetic number, because the mean of its divisors is an integer number (52533194328).

Almost surely, 2^642047070005 is an apocalyptic number.

It is an amenable number.

642047070005 is a deficient number, since it is larger than the sum of its proper divisors (198484039243).

642047070005 is a wasteful number, since it uses less digits than its factorization.

642047070005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460108.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 642047070005 in words is "six hundred forty-two billion, forty-seven million, seventy thousand, five".