6446530195 has 32 divisors (see below), whose sum is σ = 8912489472. Its totient is φ = 4384824192.

The previous prime is 6446530193. The next prime is 6446530217. The reversal of 6446530195 is 5910356446.

It is not a de Polignac number, because 6446530195 - 2¹ = 6446530193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6446530193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4694529 + ... + 4695901.

It is an arithmetic number, because the mean of its divisors is an integer number (278515296).

Almost surely, 2^6446530195 is an apocalyptic number.

6446530195 is a deficient number, since it is larger than the sum of its proper divisors (2465959277).

6446530195 is a wasteful number, since it uses less digits than its factorization.

6446530195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 6446530195 is about 80290.2870526691. The cubic root of 6446530195 is about 1861.1241321043.

The spelling of 6446530195 in words is "six billion, four hundred forty-six million, five hundred thirty thousand, one hundred ninety-five".