1794509134493 has 2 divisors, whose sum is σ = 1794509134494. Its totient is φ = 1794509134492.

The previous prime is 1794509134447. The next prime is 1794509134519. The reversal of 1794509134493 is 3944319054971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1653533666404 + 140975468089 = 1285898^2 + 375467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1794509134493 - 2²⁴ = 1794492357277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1794509134793) 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, 897254567246 + 897254567247.

It is an arithmetic number, because the mean of its divisors is an integer number (897254567247).

Almost surely, 2^{1794509134493} is an apocalyptic number.

It is an amenable number.

1794509134493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1794509134493 is an equidigital number, since it uses as much as digits as its factorization.

1794509134493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 1794509134493 in words is "one trillion, seven hundred ninety-four billion, five hundred nine million, one hundred thirty-four thousand, four hundred ninety-three".