108891494347 has 2 divisors, whose sum is σ = 108891494348. Its totient is φ = 108891494346.

The previous prime is 108891494317. The next prime is 108891494353. The reversal of 108891494347 is 743494198801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108891494347 is a prime.

It is a super-2 number, since 2×108891494347² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108891494291 and 108891494300.

It is not a weakly prime, because it can be changed into another prime (108891494317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54445747173 + 54445747174.

It is an arithmetic number, because the mean of its divisors is an integer number (54445747174).

Almost surely, 2^108891494347 is an apocalyptic number.

108891494347 is a deficient number, since it is larger than the sum of its proper divisors (1).

108891494347 is an equidigital number, since it uses as much as digits as its factorization.

108891494347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 108891494347 in words is "one hundred eight billion, eight hundred ninety-one million, four hundred ninety-four thousand, three hundred forty-seven".