6622949858913 has 24 divisors (see below), whose sum is σ = 9922141928608. Its totient is φ = 4414701481344.

The previous prime is 6622949858887. The next prime is 6622949858953. The reversal of 6622949858913 is 3198589492266.

6622949858913 is a `hidden beast` number, since 6 + 6 + 2 + 29 + 4 + 9 + 8 + 589 + 13 = 666.

It is not a de Polignac number, because 6622949858913 - 2⁹ = 6622949858401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622949858953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46795 + ... + 3639792.

Almost surely, 2^{6622949858913} is an apocalyptic number.

It is an amenable number.

6622949858913 is a deficient number, since it is larger than the sum of its proper divisors (3299192069695).

6622949858913 is an equidigital number, since it uses as much as digits as its factorization.

6622949858913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693995 (or 3693983 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 72.

The spelling of 6622949858913 in words is "six trillion, six hundred twenty-two billion, nine hundred forty-nine million, eight hundred fifty-eight thousand, nine hundred thirteen".