6693993434 has 8 divisors (see below), whose sum is σ = 10070786388. Its totient is φ = 3337064640.

The previous prime is 6693993433. The next prime is 6693993487. The reversal of 6693993434 is 4343993966.

It can be written as a sum of positive squares in 2 ways, for example, as 6693694225 + 299209 = 81815^2 + 547^2 .

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

It is a super-2 number, since 2×6693993434² = 89619096188870224712, which contains 22 as substring.

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 6693993434.

It is not an unprimeable number, because it can be changed into a prime (6693993433) 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, 4965197 + ... + 4966544.

Almost surely, 2^6693993434 is an apocalyptic number.

6693993434 is a deficient number, since it is larger than the sum of its proper divisors (3376792954).

6693993434 is a wasteful number, since it uses less digits than its factorization.

6693993434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932080.

The product of its digits is 11337408, while the sum is 56.

The square root of 6693993434 is about 81816.8285501216. The cubic root of 6693993434 is about 1884.6400993992.

The spelling of 6693993434 in words is "six billion, six hundred ninety-three million, nine hundred ninety-three thousand, four hundred thirty-four".