100343742089 has 2 divisors, whose sum is σ = 100343742090. Its totient is φ = 100343742088.

The previous prime is 100343742047. The next prime is 100343742143. The reversal of 100343742089 is 980247343001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54292728064 + 46051014025 = 233008^2 + 214595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100343742089 is a prime.

It is not a weakly prime, because it can be changed into another prime (100343742689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50171871044 + 50171871045.

It is an arithmetic number, because the mean of its divisors is an integer number (50171871045).

Almost surely, 2^100343742089 is an apocalyptic number.

It is an amenable number.

100343742089 is a deficient number, since it is larger than the sum of its proper divisors (1).

100343742089 is an equidigital number, since it uses as much as digits as its factorization.

100343742089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 100343742089 in words is "one hundred billion, three hundred forty-three million, seven hundred forty-two thousand, eighty-nine".