6478695572959 has 4 divisors (see below), whose sum is σ = 6560704377760. Its totient is φ = 6396686768160.

The previous prime is 6478695572953. The next prime is 6478695573011. The reversal of 6478695572959 is 9592755968746.

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 6478695572959 - 2¹⁹ = 6478695048671 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 (6478695572953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41004402282 + ... + 41004402439.

It is an arithmetic number, because the mean of its divisors is an integer number (1640176094440).

Almost surely, 2^{6478695572959} is an apocalyptic number.

6478695572959 is a deficient number, since it is larger than the sum of its proper divisors (82008804801).

6478695572959 is an equidigital number, since it uses as much as digits as its factorization.

6478695572959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82008804800.

The product of its digits is 10287648000, while the sum is 82.

The spelling of 6478695572959 in words is "six trillion, four hundred seventy-eight billion, six hundred ninety-five million, five hundred seventy-two thousand, nine hundred fifty-nine".