20373496717393 has 2 divisors, whose sum is σ = 20373496717394. Its totient is φ = 20373496717392.

The previous prime is 20373496717349. The next prime is 20373496717463. The reversal of 20373496717393 is 39371769437302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20356808469904 + 16688247489 = 4511852^2 + 129183^2 .

It is a cyclic number.

It is not a de Polignac number, because 20373496717393 - 2¹³ = 20373496709201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20373496717333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186748358696 + 10186748358697.

It is an arithmetic number, because the mean of its divisors is an integer number (10186748358697).

Almost surely, 2^{20373496717393} is an apocalyptic number.

It is an amenable number.

20373496717393 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373496717393 is an equidigital number, since it uses as much as digits as its factorization.

20373496717393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108020304, while the sum is 64.

The spelling of 20373496717393 in words is "twenty trillion, three hundred seventy-three billion, four hundred ninety-six million, seven hundred seventeen thousand, three hundred ninety-three".