6845532305 has 4 divisors (see below), whose sum is σ = 8214638772. Its totient is φ = 5476425840.

The previous prime is 6845532271. The next prime is 6845532349. The reversal of 6845532305 is 5032355486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3343614976 + 3501917329 = 57824^2 + 59177^2 .

It is not a de Polignac number, because 6845532305 - 2⁸ = 6845532049 is a prime.

It is a super-2 number, since 2×6845532305² = 93722625077597226050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684553226 + ... + 684553235.

It is an arithmetic number, because the mean of its divisors is an integer number (2053659693).

Almost surely, 2^6845532305 is an apocalyptic number.

It is an amenable number.

6845532305 is a deficient number, since it is larger than the sum of its proper divisors (1369106467).

6845532305 is a wasteful number, since it uses less digits than its factorization.

6845532305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369106466.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 6845532305 is about 82737.7320513440. The cubic root of 6845532305 is about 1898.7556307234.

The spelling of 6845532305 in words is "six billion, eight hundred forty-five million, five hundred thirty-two thousand, three hundred five".