938121000893 has 2 divisors, whose sum is σ = 938121000894. Its totient is φ = 938121000892.

The previous prime is 938121000889. The next prime is 938121000953. The reversal of 938121000893 is 398000121839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934505023204 + 3615977689 = 966698^2 + 60133^2 .

It is a cyclic number.

It is not a de Polignac number, because 938121000893 - 2² = 938121000889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938121000833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469060500446 + 469060500447.

It is an arithmetic number, because the mean of its divisors is an integer number (469060500447).

Almost surely, 2^938121000893 is an apocalyptic number.

It is an amenable number.

938121000893 is a deficient number, since it is larger than the sum of its proper divisors (1).

938121000893 is an equidigital number, since it uses as much as digits as its factorization.

938121000893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 938121000893 in words is "nine hundred thirty-eight billion, one hundred twenty-one million, eight hundred ninety-three", and thus it is an aban number.