844911374093 has 2 divisors, whose sum is σ = 844911374094. Its totient is φ = 844911374092.

The previous prime is 844911374081. The next prime is 844911374123. The reversal of 844911374093 is 390473119448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 827686911529 + 17224462564 = 909773^2 + 131242^2 .

It is a cyclic number.

It is not a de Polignac number, because 844911374093 - 2¹⁰ = 844911373069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844911374033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422455687046 + 422455687047.

It is an arithmetic number, because the mean of its divisors is an integer number (422455687047).

Almost surely, 2^844911374093 is an apocalyptic number.

It is an amenable number.

844911374093 is a deficient number, since it is larger than the sum of its proper divisors (1).

844911374093 is an equidigital number, since it uses as much as digits as its factorization.

844911374093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 844911374093 in words is "eight hundred forty-four billion, nine hundred eleven million, three hundred seventy-four thousand, ninety-three".