1183793917393 has 2 divisors, whose sum is σ = 1183793917394. Its totient is φ = 1183793917392.

The previous prime is 1183793917381. The next prime is 1183793917433. The reversal of 1183793917393 is 3937193973811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799472033424 + 384321883969 = 894132^2 + 619937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1183793917393 - 2¹⁷ = 1183793786321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1183793917193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591896958696 + 591896958697.

It is an arithmetic number, because the mean of its divisors is an integer number (591896958697).

Almost surely, 2^{1183793917393} is an apocalyptic number.

It is an amenable number.

1183793917393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183793917393 is an equidigital number, since it uses as much as digits as its factorization.

1183793917393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23147208, while the sum is 64.

The spelling of 1183793917393 in words is "one trillion, one hundred eighty-three billion, seven hundred ninety-three million, nine hundred seventeen thousand, three hundred ninety-three".