101418270809 has 2 divisors, whose sum is σ = 101418270810. Its totient is φ = 101418270808.

The previous prime is 101418270781. The next prime is 101418270853. The reversal of 101418270809 is 908072814101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91610339584 + 9807931225 = 302672^2 + 99035^2 .

It is an emirp because it is prime and its reverse (908072814101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101418270809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101418270859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50709135404 + 50709135405.

It is an arithmetic number, because the mean of its divisors is an integer number (50709135405).

Almost surely, 2^101418270809 is an apocalyptic number.

It is an amenable number.

101418270809 is a deficient number, since it is larger than the sum of its proper divisors (1).

101418270809 is an equidigital number, since it uses as much as digits as its factorization.

101418270809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 101418270809 in words is "one hundred one billion, four hundred eighteen million, two hundred seventy thousand, eight hundred nine".