4678347391 has 2 divisors, whose sum is σ = 4678347392. Its totient is φ = 4678347390.

The previous prime is 4678347379. The next prime is 4678347397. The reversal of 4678347391 is 1937438764.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4678347391 - 2⁷ = 4678347263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4678347397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2339173695 + 2339173696.

It is an arithmetic number, because the mean of its divisors is an integer number (2339173696).

Almost surely, 2^4678347391 is an apocalyptic number.

4678347391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678347391 is an equidigital number, since it uses as much as digits as its factorization.

4678347391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The square root of 4678347391 is about 68398.4458229864. The cubic root of 4678347391 is about 1672.4924107282.

The spelling of 4678347391 in words is "four billion, six hundred seventy-eight million, three hundred forty-seven thousand, three hundred ninety-one".