4665720513 has 4 divisors (see below), whose sum is σ = 6220960688. Its totient is φ = 3110480340.

The previous prime is 4665720511. The next prime is 4665720517. The reversal of 4665720513 is 3150275664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4665720513 - 2¹ = 4665720511 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4665720511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777620083 + ... + 777620088.

It is an arithmetic number, because the mean of its divisors is an integer number (1555240172).

Almost surely, 2^4665720513 is an apocalyptic number.

It is an amenable number.

4665720513 is a deficient number, since it is larger than the sum of its proper divisors (1555240175).

4665720513 is a wasteful number, since it uses less digits than its factorization.

4665720513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555240174.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 4665720513 is about 68306.0796196063. The cubic root of 4665720513 is about 1670.9863671114.

The spelling of 4665720513 in words is "four billion, six hundred sixty-five million, seven hundred twenty thousand, five hundred thirteen".