6468887622013 has 4 divisors (see below), whose sum is σ = 6468996181788. Its totient is φ = 6468779062240.

The previous prime is 6468887622011. The next prime is 6468887622017. The reversal of 6468887622013 is 3102267888646.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5560531854084 + 908355767929 = 2358078^2 + 953077^2 .

It is a cyclic number.

It is not a de Polignac number, because 6468887622013 - 2¹ = 6468887622011 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 (6468887622011) 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, 54190456 + ... + 54309697.

It is an arithmetic number, because the mean of its divisors is an integer number (1617249045447).

Almost surely, 2^{6468887622013} is an apocalyptic number.

It is an amenable number.

6468887622013 is a deficient number, since it is larger than the sum of its proper divisors (108559775).

6468887622013 is a wasteful number, since it uses less digits than its factorization.

6468887622013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108559774.

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 6468887622013 in words is "six trillion, four hundred sixty-eight billion, eight hundred eighty-seven million, six hundred twenty-two thousand, thirteen".