108394347409939 has 2 divisors, whose sum is σ = 108394347409940. Its totient is φ = 108394347409938.

The previous prime is 108394347409897. The next prime is 108394347409949. The reversal of 108394347409939 is 939904743493801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108394347409939 - 2²¹ = 108394345312787 is a prime.

It is not a weakly prime, because it can be changed into another prime (108394347409949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54197173704969 + 54197173704970.

It is an arithmetic number, because the mean of its divisors is an integer number (54197173704970).

Almost surely, 2^{108394347409939} is an apocalyptic number.

108394347409939 is a deficient number, since it is larger than the sum of its proper divisors (1).

108394347409939 is an equidigital number, since it uses as much as digits as its factorization.

108394347409939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 108394347409939 in words is "one hundred eight trillion, three hundred ninety-four billion, three hundred forty-seven million, four hundred nine thousand, nine hundred thirty-nine".