6426894789479 has 8 divisors (see below), whose sum is σ = 6547219445760. Its totient is φ = 6307544422296.

The previous prime is 6426894789457. The next prime is 6426894789487. The reversal of 6426894789479 is 9749874986246.

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

It is a cyclic number.

It is not a de Polignac number, because 6426894789479 - 2¹² = 6426894785383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6426894789397 and 6426894789406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426894789449) 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, 243558959 + ... + 243585344.

It is an arithmetic number, because the mean of its divisors is an integer number (818402430720).

Almost surely, 2^{6426894789479} is an apocalyptic number.

6426894789479 is a deficient number, since it is larger than the sum of its proper divisors (120324656281).

6426894789479 is a wasteful number, since it uses less digits than its factorization.

6426894789479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487144549.

The product of its digits is 10534551552, while the sum is 83.

The spelling of 6426894789479 in words is "six trillion, four hundred twenty-six billion, eight hundred ninety-four million, seven hundred eighty-nine thousand, four hundred seventy-nine".