109018443593 has 2 divisors, whose sum is σ = 109018443594. Its totient is φ = 109018443592.

The previous prime is 109018443559. The next prime is 109018443607. The reversal of 109018443593 is 395344810901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82718361664 + 26300081929 = 287608^2 + 162173^2 .

It is a cyclic number.

It is not a de Polignac number, because 109018443593 - 2¹⁴ = 109018427209 is a prime.

It is not a weakly prime, because it can be changed into another prime (109018442593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54509221796 + 54509221797.

It is an arithmetic number, because the mean of its divisors is an integer number (54509221797).

Almost surely, 2^109018443593 is an apocalyptic number.

It is an amenable number.

109018443593 is a deficient number, since it is larger than the sum of its proper divisors (1).

109018443593 is an equidigital number, since it uses as much as digits as its factorization.

109018443593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 109018443593 in words is "one hundred nine billion, eighteen million, four hundred forty-three thousand, five hundred ninety-three".