4642867847 has 2 divisors, whose sum is σ = 4642867848. Its totient is φ = 4642867846.

The previous prime is 4642867813. The next prime is 4642867903. The reversal of 4642867847 is 7487682464.

It is an a-pointer prime, because the next prime (4642867903) can be obtained adding 4642867847 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4642867847 - 2⁶ = 4642867783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4642867792 and 4642867801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642867247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321433923 + 2321433924.

It is an arithmetic number, because the mean of its divisors is an integer number (2321433924).

Almost surely, 2^4642867847 is an apocalyptic number.

4642867847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642867847 is an equidigital number, since it uses as much as digits as its factorization.

4642867847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14450688, while the sum is 56.

The square root of 4642867847 is about 68138.5929338139. The cubic root of 4642867847 is about 1668.2537409885.

The spelling of 4642867847 in words is "four billion, six hundred forty-two million, eight hundred sixty-seven thousand, eight hundred forty-seven".