109993931540917 has 2 divisors, whose sum is σ = 109993931540918. Its totient is φ = 109993931540916.

The previous prime is 109993931540821. The next prime is 109993931540971. The reversal of 109993931540917 is 719045139399901.

Together with next prime (109993931540971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109887607287441 + 106324253476 = 10482729^2 + 326074^2 .

It is a cyclic number.

It is not a de Polignac number, because 109993931540917 - 2⁷ = 109993931540789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109993931540117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54996965770458 + 54996965770459.

It is an arithmetic number, because the mean of its divisors is an integer number (54996965770459).

Almost surely, 2^{109993931540917} is an apocalyptic number.

It is an amenable number.

109993931540917 is a deficient number, since it is larger than the sum of its proper divisors (1).

109993931540917 is an equidigital number, since it uses as much as digits as its factorization.

109993931540917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74401740, while the sum is 70.

The spelling of 109993931540917 in words is "one hundred nine trillion, nine hundred ninety-three billion, nine hundred thirty-one million, five hundred forty thousand, nine hundred seventeen".