641070142005 has 8 divisors (see below), whose sum is σ = 1025712227232. Its totient is φ = 341904075728.

The previous prime is 641070141997. The next prime is 641070142019. The reversal of 641070142005 is 500241070146.

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

It is a cyclic number.

It is not a de Polignac number, because 641070142005 - 2³ = 641070141997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21369004719 + ... + 21369004748.

It is an arithmetic number, because the mean of its divisors is an integer number (128214028404).

Almost surely, 2^641070142005 is an apocalyptic number.

It is an amenable number.

641070142005 is a deficient number, since it is larger than the sum of its proper divisors (384642085227).

641070142005 is a wasteful number, since it uses less digits than its factorization.

641070142005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738009475.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 641070142005 in words is "six hundred forty-one billion, seventy million, one hundred forty-two thousand, five".