647342363 has 2 divisors, whose sum is σ = 647342364. Its totient is φ = 647342362.

The previous prime is 647342347. The next prime is 647342393. The reversal of 647342363 is 363243746.

647342363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 647342363 - 2⁴ = 647342347 is a prime.

It is not a weakly prime, because it can be changed into another prime (647342323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323671181 + 323671182.

It is an arithmetic number, because the mean of its divisors is an integer number (323671182).

Almost surely, 2^647342363 is an apocalyptic number.

647342363 is a deficient number, since it is larger than the sum of its proper divisors (1).

647342363 is an equidigital number, since it uses as much as digits as its factorization.

647342363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 38.

The square root of 647342363 is about 25442.9236331047. The cubic root of 647342363 is about 865.0569033812.

The spelling of 647342363 in words is "six hundred forty-seven million, three hundred forty-two thousand, three hundred sixty-three".