100193151579809 has 2 divisors, whose sum is σ = 100193151579810. Its totient is φ = 100193151579808.

The previous prime is 100193151579797. The next prime is 100193151579841. The reversal of 100193151579809 is 908975151391001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50995594854400 + 49197556725409 = 7141120^2 + 7014097^2 .

It is a cyclic number.

It is not a de Polignac number, because 100193151579809 - 2³² = 100188856612513 is a prime.

It is not a weakly prime, because it can be changed into another prime (100193151579109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50096575789904 + 50096575789905.

It is an arithmetic number, because the mean of its divisors is an integer number (50096575789905).

Almost surely, 2^{100193151579809} is an apocalyptic number.

It is an amenable number.

100193151579809 is a deficient number, since it is larger than the sum of its proper divisors (1).

100193151579809 is an equidigital number, since it uses as much as digits as its factorization.

100193151579809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 59.

The spelling of 100193151579809 in words is "one hundred trillion, one hundred ninety-three billion, one hundred fifty-one million, five hundred seventy-nine thousand, eight hundred nine".