6694324851 has 4 divisors (see below), whose sum is σ = 8925766472. Its totient is φ = 4462883232.

The previous prime is 6694324849. The next prime is 6694324859. The reversal of 6694324851 is 1584234966.

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

It is not a de Polignac number, because 6694324851 - 2¹ = 6694324849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6694324851.

It is not an unprimeable number, because it can be changed into a prime (6694324859) 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, 1115720806 + ... + 1115720811.

It is an arithmetic number, because the mean of its divisors is an integer number (2231441618).

Almost surely, 2^6694324851 is an apocalyptic number.

6694324851 is a deficient number, since it is larger than the sum of its proper divisors (2231441621).

6694324851 is a wasteful number, since it uses less digits than its factorization.

6694324851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231441620.

The product of its digits is 1244160, while the sum is 48.

The square root of 6694324851 is about 81818.8538846640. The cubic root of 6694324851 is about 1884.6712014843.

The spelling of 6694324851 in words is "six billion, six hundred ninety-four million, three hundred twenty-four thousand, eight hundred fifty-one".