238162497973 has 2 divisors, whose sum is σ = 238162497974. Its totient is φ = 238162497972.

The previous prime is 238162497971. The next prime is 238162498001. The reversal of 238162497973 is 379794261832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193038967044 + 45123530929 = 439362^2 + 212423^2 .

It is a cyclic number.

It is not a de Polignac number, because 238162497973 - 2¹ = 238162497971 is a prime.

Together with 238162497971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238162497971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119081248986 + 119081248987.

It is an arithmetic number, because the mean of its divisors is an integer number (119081248987).

Almost surely, 2^238162497973 is an apocalyptic number.

It is an amenable number.

238162497973 is a deficient number, since it is larger than the sum of its proper divisors (1).

238162497973 is an equidigital number, since it uses as much as digits as its factorization.

238162497973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 61.

The spelling of 238162497973 in words is "two hundred thirty-eight billion, one hundred sixty-two million, four hundred ninety-seven thousand, nine hundred seventy-three".