109485860389 has 2 divisors, whose sum is σ = 109485860390. Its totient is φ = 109485860388.

The previous prime is 109485860311. The next prime is 109485860417. The reversal of 109485860389 is 983068584901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88393236100 + 21092624289 = 297310^2 + 145233^2 .

It is a cyclic number.

It is not a de Polignac number, because 109485860389 - 2⁷ = 109485860261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109485860089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54742930194 + 54742930195.

It is an arithmetic number, because the mean of its divisors is an integer number (54742930195).

Almost surely, 2^109485860389 is an apocalyptic number.

It is an amenable number.

109485860389 is a deficient number, since it is larger than the sum of its proper divisors (1).

109485860389 is an equidigital number, since it uses as much as digits as its factorization.

109485860389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 109485860389 in words is "one hundred nine billion, four hundred eighty-five million, eight hundred sixty thousand, three hundred eighty-nine".