100604661642073 has 2 divisors, whose sum is σ = 100604661642074. Its totient is φ = 100604661642072.

The previous prime is 100604661642007. The next prime is 100604661642143. The reversal of 100604661642073 is 370246166406001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81205816576329 + 19398845065744 = 9011427^2 + 4404412^2 .

It is an emirp because it is prime and its reverse (370246166406001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100604661642073 is a prime.

It is not a weakly prime, because it can be changed into another prime (100604661640073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50302330821036 + 50302330821037.

It is an arithmetic number, because the mean of its divisors is an integer number (50302330821037).

Almost surely, 2^{100604661642073} is an apocalyptic number.

It is an amenable number.

100604661642073 is a deficient number, since it is larger than the sum of its proper divisors (1).

100604661642073 is an equidigital number, since it uses as much as digits as its factorization.

100604661642073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 100604661642073 in words is "one hundred trillion, six hundred four billion, six hundred sixty-one million, six hundred forty-two thousand, seventy-three".