6459657073 has 4 divisors (see below), whose sum is σ = 6459834688. Its totient is φ = 6459479460.

The previous prime is 6459657011. The next prime is 6459657077. The reversal of 6459657073 is 3707569546.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 6459657073 - 2⁹ = 6459656561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6459657073.

It is not an unprimeable number, because it can be changed into a prime (6459657077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12261 + ... + 114322.

It is an arithmetic number, because the mean of its divisors is an integer number (1614958672).

Almost surely, 2^6459657073 is an apocalyptic number.

It is an amenable number.

6459657073 is a deficient number, since it is larger than the sum of its proper divisors (177615).

6459657073 is a wasteful number, since it uses less digits than its factorization.

6459657073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177614.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The square root of 6459657073 is about 80371.9918441742. The cubic root of 6459657073 is about 1862.3865262338.

The spelling of 6459657073 in words is "six billion, four hundred fifty-nine million, six hundred fifty-seven thousand, seventy-three".