6693768021494 has 32 divisors (see below), whose sum is σ = 10414006911360. Its totient is φ = 3224966728192.

The previous prime is 6693768021491. The next prime is 6693768021529. The reversal of 6693768021494 is 4941208673966.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6693768021494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6693768021491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232292 + ... + 3666264.

It is an arithmetic number, because the mean of its divisors is an integer number (325437715980).

Almost surely, 2^{6693768021494} is an apocalyptic number.

6693768021494 is a deficient number, since it is larger than the sum of its proper divisors (3720238889866).

6693768021494 is a wasteful number, since it uses less digits than its factorization.

6693768021494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434344.

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 6693768021494 in words is "six trillion, six hundred ninety-three billion, seven hundred sixty-eight million, twenty-one thousand, four hundred ninety-four".