4645676509 has 2 divisors, whose sum is σ = 4645676510. Its totient is φ = 4645676508.

The previous prime is 4645676467. The next prime is 4645676531. The reversal of 4645676509 is 9056765464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4419324484 + 226352025 = 66478^2 + 15045^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645676509 - 2⁷ = 4645676381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645676569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322838254 + 2322838255.

It is an arithmetic number, because the mean of its divisors is an integer number (2322838255).

Almost surely, 2^4645676509 is an apocalyptic number.

It is an amenable number.

4645676509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645676509 is an equidigital number, since it uses as much as digits as its factorization.

4645676509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The square root of 4645676509 is about 68159.1997385533. The cubic root of 4645676509 is about 1668.5900716452.

The spelling of 4645676509 in words is "four billion, six hundred forty-five million, six hundred seventy-six thousand, five hundred nine".