238536869563 has 2 divisors, whose sum is σ = 238536869564. Its totient is φ = 238536869562.

The previous prime is 238536869561. The next prime is 238536869581. The reversal of 238536869563 is 365968635832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238536869563 - 2¹ = 238536869561 is a prime.

Together with 238536869561, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 238536869495 and 238536869504.

It is not a weakly prime, because it can be changed into another prime (238536869561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119268434781 + 119268434782.

It is an arithmetic number, because the mean of its divisors is an integer number (119268434782).

Almost surely, 2^238536869563 is an apocalyptic number.

238536869563 is a deficient number, since it is larger than the sum of its proper divisors (1).

238536869563 is an equidigital number, since it uses as much as digits as its factorization.

238536869563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167961600, while the sum is 64.

The spelling of 238536869563 in words is "two hundred thirty-eight billion, five hundred thirty-six million, eight hundred sixty-nine thousand, five hundred sixty-three".