938933493313 has 2 divisors, whose sum is σ = 938933493314. Its totient is φ = 938933493312.

The previous prime is 938933493307. The next prime is 938933493401. The reversal of 938933493313 is 313394339839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492197658624 + 446735834689 = 701568^2 + 668383^2 .

It is a cyclic number.

It is not a de Polignac number, because 938933493313 - 2²⁵ = 938899938881 is a prime.

It is a super-2 number, since 2×938933493313² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (938933491313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469466746656 + 469466746657.

It is an arithmetic number, because the mean of its divisors is an integer number (469466746657).

Almost surely, 2^938933493313 is an apocalyptic number.

It is an amenable number.

938933493313 is a deficient number, since it is larger than the sum of its proper divisors (1).

938933493313 is an equidigital number, since it uses as much as digits as its factorization.

938933493313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17006112, while the sum is 58.

The spelling of 938933493313 in words is "nine hundred thirty-eight billion, nine hundred thirty-three million, four hundred ninety-three thousand, three hundred thirteen".