100445274573197 has 2 divisors, whose sum is σ = 100445274573198. Its totient is φ = 100445274573196.

The previous prime is 100445274573073. The next prime is 100445274573209. The reversal of 100445274573197 is 791375472544001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97246993009321 + 3198281563876 = 9861389^2 + 1788374^2 .

It is a cyclic number.

It is not a de Polignac number, because 100445274573197 - 2⁴⁴ = 82853088528781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100445274572197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222637286598 + 50222637286599.

It is an arithmetic number, because the mean of its divisors is an integer number (50222637286599).

Almost surely, 2^{100445274573197} is an apocalyptic number.

It is an amenable number.

100445274573197 is a deficient number, since it is larger than the sum of its proper divisors (1).

100445274573197 is an equidigital number, since it uses as much as digits as its factorization.

100445274573197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 100445274573197 in words is "one hundred trillion, four hundred forty-five billion, two hundred seventy-four million, five hundred seventy-three thousand, one hundred ninety-seven".