368648563 has 2 divisors, whose sum is σ = 368648564. Its totient is φ = 368648562.

The previous prime is 368648561. The next prime is 368648569. The reversal of 368648563 is 365846863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 368648563 - 2¹ = 368648561 is a prime.

Together with 368648561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (368648561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184324281 + 184324282.

It is an arithmetic number, because the mean of its divisors is an integer number (184324282).

Almost surely, 2^368648563 is an apocalyptic number.

368648563 is a deficient number, since it is larger than the sum of its proper divisors (1).

368648563 is an equidigital number, since it uses as much as digits as its factorization.

368648563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 49.

The square root of 368648563 is about 19200.2229934967. Note that the first 3 decimals coincide. The cubic root of 368648563 is about 717.0303112390.

The spelling of 368648563 in words is "three hundred sixty-eight million, six hundred forty-eight thousand, five hundred sixty-three".