4891693047 has 8 divisors (see below), whose sum is σ = 6579976944. Its totient is φ = 3232268928.

The previous prime is 4891693043. The next prime is 4891693049. The reversal of 4891693047 is 7403961984.

4891693047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4891693047 - 2² = 4891693043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891693043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7214548 + ... + 7215225.

It is an arithmetic number, because the mean of its divisors is an integer number (822497118).

Almost surely, 2^4891693047 is an apocalyptic number.

4891693047 is a deficient number, since it is larger than the sum of its proper divisors (1688283897).

4891693047 is a wasteful number, since it uses less digits than its factorization.

4891693047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429889.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 4891693047 is about 69940.6394523241. The cubic root of 4891693047 is about 1697.5388893740.

The spelling of 4891693047 in words is "four billion, eight hundred ninety-one million, six hundred ninety-three thousand, forty-seven".