6682672553 has 2 divisors, whose sum is σ = 6682672554. Its totient is φ = 6682672552.

The previous prime is 6682672537. The next prime is 6682672561. The reversal of 6682672553 is 3552762866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4618969369 + 2063703184 = 67963^2 + 45428^2 .

It is a cyclic number.

It is not a de Polignac number, because 6682672553 - 2⁴ = 6682672537 is a prime.

It is a super-2 number, since 2×6682672553² = 89316224901239075618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6682672253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341336276 + 3341336277.

It is an arithmetic number, because the mean of its divisors is an integer number (3341336277).

Almost surely, 2^6682672553 is an apocalyptic number.

It is an amenable number.

6682672553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6682672553 is an equidigital number, since it uses as much as digits as its factorization.

6682672553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 50.

The square root of 6682672553 is about 81747.6149682668. The cubic root of 6682672553 is about 1883.5770655261.

The spelling of 6682672553 in words is "six billion, six hundred eighty-two million, six hundred seventy-two thousand, five hundred fifty-three".