6766224998399 has 4 divisors (see below), whose sum is σ = 6984490320960. Its totient is φ = 6547959675840.

The previous prime is 6766224998381. The next prime is 6766224998419. The reversal of 6766224998399 is 9938994226676.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6766224998399 is a prime.

It is a super-3 number, since 3×6766224998399³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6766244998399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109132661234 + ... + 109132661295.

It is an arithmetic number, because the mean of its divisors is an integer number (1746122580240).

Almost surely, 2^{6766224998399} is an apocalyptic number.

6766224998399 is a deficient number, since it is larger than the sum of its proper divisors (218265322561).

6766224998399 is a wasteful number, since it uses less digits than its factorization.

6766224998399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218265322560.

The product of its digits is 3809369088, while the sum is 80.

The spelling of 6766224998399 in words is "six trillion, seven hundred sixty-six billion, two hundred twenty-four million, nine hundred ninety-eight thousand, three hundred ninety-nine".