1044643724101 has 2 divisors, whose sum is σ = 1044643724102. Its totient is φ = 1044643724100.

The previous prime is 1044643724083. The next prime is 1044643724167. The reversal of 1044643724101 is 1014273464401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937207929025 + 107435795076 = 968095^2 + 327774^2 .

It is an emirp because it is prime and its reverse (1014273464401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1044643724101 - 2⁷ = 1044643723973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044643754101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522321862050 + 522321862051.

It is an arithmetic number, because the mean of its divisors is an integer number (522321862051).

Almost surely, 2^{1044643724101} is an apocalyptic number.

It is an amenable number.

1044643724101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044643724101 is an equidigital number, since it uses as much as digits as its factorization.

1044643724101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 1044643724101 in words is "one trillion, forty-four billion, six hundred forty-three million, seven hundred twenty-four thousand, one hundred one".