4613867991 has 6 divisors (see below), whose sum is σ = 6664476000. Its totient is φ = 3075911988.

The previous prime is 4613867977. The next prime is 4613868029. The reversal of 4613867991 is 1997683164.

4613867991 is a `hidden beast` number, since 461 + 38 + 67 + 9 + 91 = 666.

It is not a de Polignac number, because 4613867991 - 2¹⁰ = 4613866967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4613867911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256325991 + ... + 256326008.

It is an arithmetic number, because the mean of its divisors is an integer number (1110746000).

Almost surely, 2^4613867991 is an apocalyptic number.

4613867991 is a deficient number, since it is larger than the sum of its proper divisors (2050608009).

4613867991 is a wasteful number, since it uses less digits than its factorization.

4613867991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512652005 (or 512652002 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 4613867991 is about 67925.4590783161. The cubic root of 4613867991 is about 1664.7731195334.

The spelling of 4613867991 in words is "four billion, six hundred thirteen million, eight hundred sixty-seven thousand, nine hundred ninety-one".