6396308261489 has 4 divisors (see below), whose sum is σ = 6403062547824. Its totient is φ = 6389553975156.

The previous prime is 6396308261479. The next prime is 6396308261501. The reversal of 6396308261489 is 9841628036936.

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 a de Polignac number, because none of the positive numbers 2^k-6396308261489 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 (6396308261419) 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, 3377141747 + ... + 3377143640.

It is an arithmetic number, because the mean of its divisors is an integer number (1600765636956).

Almost surely, 2^{6396308261489} is an apocalyptic number.

It is an amenable number.

6396308261489 is a deficient number, since it is larger than the sum of its proper divisors (6754286335).

6396308261489 is an equidigital number, since it uses as much as digits as its factorization.

6396308261489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754286334.

The product of its (nonzero) digits is 80621568, while the sum is 65.

The spelling of 6396308261489 in words is "six trillion, three hundred ninety-six billion, three hundred eight million, two hundred sixty-one thousand, four hundred eighty-nine".