6597695220479 has 4 divisors (see below), whose sum is σ = 7197485695080. Its totient is φ = 5997904745880.

The previous prime is 6597695220451. The next prime is 6597695220521. The reversal of 6597695220479 is 9740225967956.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6597695220479 - 2²⁰ = 6597694171903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6597695220979) 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, 299895237284 + ... + 299895237305.

It is an arithmetic number, because the mean of its divisors is an integer number (1799371423770).

Almost surely, 2^{6597695220479} is an apocalyptic number.

6597695220479 is a deficient number, since it is larger than the sum of its proper divisors (599790474601).

6597695220479 is a wasteful number, since it uses less digits than its factorization.

6597695220479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599790474600.

The product of its (nonzero) digits is 514382400, while the sum is 71.

The spelling of 6597695220479 in words is "six trillion, five hundred ninety-seven billion, six hundred ninety-five million, two hundred twenty thousand, four hundred seventy-nine".