4693693891 has 4 divisors (see below), whose sum is σ = 4700817000. Its totient is φ = 4686570784.

The previous prime is 4693693889. The next prime is 4693693919. The reversal of 4693693891 is 1983963964.

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

It is a cyclic number.

It is not a de Polignac number, because 4693693891 - 2¹ = 4693693889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4693693841) 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, 3560566 + ... + 3561883.

It is an arithmetic number, because the mean of its divisors is an integer number (1175204250).

Almost surely, 2^4693693891 is an apocalyptic number.

4693693891 is a deficient number, since it is larger than the sum of its proper divisors (7123109).

4693693891 is an equidigital number, since it uses as much as digits as its factorization.

4693693891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123108.

The product of its digits is 7558272, while the sum is 58.

The square root of 4693693891 is about 68510.5385397021. The cubic root of 4693693891 is about 1674.3191876083.

The spelling of 4693693891 in words is "four billion, six hundred ninety-three million, six hundred ninety-three thousand, eight hundred ninety-one".