6693078642 has 8 divisors (see below), whose sum is σ = 13386157296. Its totient is φ = 2231026212.

The previous prime is 6693078611. The next prime is 6693078647. The reversal of 6693078642 is 2468703966.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6693078642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6693078647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557756548 + ... + 557756559.

It is an arithmetic number, because the mean of its divisors is an integer number (1673269662).

Almost surely, 2^6693078642 is an apocalyptic number.

6693078642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6693078642 is a wasteful number, since it uses less digits than its factorization.

6693078642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115513112.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The square root of 6693078642 is about 81811.2378710896. The cubic root of 6693078642 is about 1884.5542447075.

The spelling of 6693078642 in words is "six billion, six hundred ninety-three million, seventy-eight thousand, six hundred forty-two".