4665649013 has 8 divisors (see below), whose sum is σ = 4674241080. Its totient is φ = 4657067200.

The previous prime is 4665649003. The next prime is 4665649067. The reversal of 4665649013 is 3109465664.

It can be written as a sum of positive squares in 4 ways, for example, as 131377444 + 4534271569 = 11462^2 + 67337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4665649013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4665649003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335331 + ... + 2337327.

It is an arithmetic number, because the mean of its divisors is an integer number (584280135).

Almost surely, 2^4665649013 is an apocalyptic number.

It is an amenable number.

4665649013 is a deficient number, since it is larger than the sum of its proper divisors (8592067).

4665649013 is a wasteful number, since it uses less digits than its factorization.

4665649013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 4665649013 is about 68305.5562381275. The cubic root of 4665649013 is about 1670.9778313711.

The spelling of 4665649013 in words is "four billion, six hundred sixty-five million, six hundred forty-nine thousand, thirteen".