938481939293 has 4 divisors (see below), whose sum is σ = 951699994848. Its totient is φ = 925263883740.

The previous prime is 938481939257. The next prime is 938481939319. The reversal of 938481939293 is 392939184839.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-938481939293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938481932293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6609027671 + ... + 6609027812.

It is an arithmetic number, because the mean of its divisors is an integer number (237924998712).

Almost surely, 2^938481939293 is an apocalyptic number.

It is an amenable number.

938481939293 is a deficient number, since it is larger than the sum of its proper divisors (13218055555).

938481939293 is a wasteful number, since it uses less digits than its factorization.

938481939293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13218055554.

The product of its digits is 90699264, while the sum is 68.

The spelling of 938481939293 in words is "nine hundred thirty-eight billion, four hundred eighty-one million, nine hundred thirty-nine thousand, two hundred ninety-three".