1794945309901 has 2 divisors, whose sum is σ = 1794945309902. Its totient is φ = 1794945309900.

The previous prime is 1794945309887. The next prime is 1794945309943. The reversal of 1794945309901 is 1099035494971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742492401225 + 52452908676 = 1320035^2 + 229026^2 .

It is a cyclic number.

It is not a de Polignac number, because 1794945309901 - 2³⁹ = 1245189496013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1794945309901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1794945309301) 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, 897472654950 + 897472654951.

It is an arithmetic number, because the mean of its divisors is an integer number (897472654951).

Almost surely, 2^{1794945309901} is an apocalyptic number.

It is an amenable number.

1794945309901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1794945309901 is an equidigital number, since it uses as much as digits as its factorization.

1794945309901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 1794945309901 in words is "one trillion, seven hundred ninety-four billion, nine hundred forty-five million, three hundred nine thousand, nine hundred one".