6698868623 has 2 divisors, whose sum is σ = 6698868624. Its totient is φ = 6698868622.

The previous prime is 6698868541. The next prime is 6698868629. The reversal of 6698868623 is 3268688966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6698868623 - 2¹² = 6698864527 is a prime.

It is a super-2 number, since 2×6698868623² = 89749681656427832258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6698868629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349434311 + 3349434312.

It is an arithmetic number, because the mean of its divisors is an integer number (3349434312).

Almost surely, 2^6698868623 is an apocalyptic number.

6698868623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6698868623 is an equidigital number, since it uses as much as digits as its factorization.

6698868623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 62.

The square root of 6698868623 is about 81846.6164419764. The cubic root of 6698868623 is about 1885.0975118123.

The spelling of 6698868623 in words is "six billion, six hundred ninety-eight million, eight hundred sixty-eight thousand, six hundred twenty-three".