641000530310505 has 16 divisors (see below), whose sum is σ = 1027348039053504. Its totient is φ = 341284552646720.

The previous prime is 641000530310467. The next prime is 641000530310507. The reversal of 641000530310505 is 505013035000146.

It is not a de Polignac number, because 641000530310505 - 2⁷ = 641000530310377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641000530310507) 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, 36399794166 + ... + 36399811775.

It is an arithmetic number, because the mean of its divisors is an integer number (64209252440844).

Almost surely, 2^{641000530310505} is an apocalyptic number.

It is an amenable number.

641000530310505 is a deficient number, since it is larger than the sum of its proper divisors (386347508742999).

641000530310505 is a wasteful number, since it uses less digits than its factorization.

641000530310505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72799606536.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 641000530310505 in words is "six hundred forty-one trillion, five hundred thirty million, three hundred ten thousand, five hundred five".