4645654009 has 2 divisors, whose sum is σ = 4645654010. Its totient is φ = 4645654008.

The previous prime is 4645654007. The next prime is 4645654019. The reversal of 4645654009 is 9004565464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3189086784 + 1456567225 = 56472^2 + 38165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645654009 - 2¹ = 4645654007 is a prime.

Together with 4645654007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4645654003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322827004 + 2322827005.

It is an arithmetic number, because the mean of its divisors is an integer number (2322827005).

Almost surely, 2^4645654009 is an apocalyptic number.

It is an amenable number.

4645654009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645654009 is an equidigital number, since it uses as much as digits as its factorization.

4645654009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 4645654009 is about 68159.0346835986. The cubic root of 4645654009 is about 1668.5873778619.

The spelling of 4645654009 in words is "four billion, six hundred forty-five million, six hundred fifty-four thousand, nine".