4646561306 has 16 divisors (see below), whose sum is σ = 7238655720. Its totient is φ = 2235087360.

The previous prime is 4646561273. The next prime is 4646561333. The reversal of 4646561306 is 6031656464.

It can be written as a sum of positive squares in 4 ways, for example, as 4645649281 + 912025 = 68159^2 + 955^2 .

It is a Curzon 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, 346175 + ... + 359346.

Almost surely, 2^4646561306 is an apocalyptic number.

4646561306 is a deficient number, since it is larger than the sum of its proper divisors (2592094414).

4646561306 is a wasteful number, since it uses less digits than its factorization.

4646561306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705649.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 4646561306 is about 68165.6900940642. The cubic root of 4646561306 is about 1668.6959959219.

The spelling of 4646561306 in words is "four billion, six hundred forty-six million, five hundred sixty-one thousand, three hundred six".