6628153969 has 2 divisors, whose sum is σ = 6628153970. Its totient is φ = 6628153968.

The previous prime is 6628153949. The next prime is 6628153993. The reversal of 6628153969 is 9693518266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5341855744 + 1286298225 = 73088^2 + 35865^2 .

It is a cyclic number.

It is not a de Polignac number, because 6628153969 - 2¹⁹ = 6627629681 is a prime.

It is a super-2 number, since 2×6628153969² = 87864850073540905922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6628153949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314076984 + 3314076985.

It is an arithmetic number, because the mean of its divisors is an integer number (3314076985).

Almost surely, 2^6628153969 is an apocalyptic number.

It is an amenable number.

6628153969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6628153969 is an equidigital number, since it uses as much as digits as its factorization.

6628153969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The square root of 6628153969 is about 81413.4753526712. The cubic root of 6628153969 is about 1878.4408728158.

The spelling of 6628153969 in words is "six billion, six hundred twenty-eight million, one hundred fifty-three thousand, nine hundred sixty-nine".