1745040718361 has 4 divisors (see below), whose sum is σ = 1745051205300. Its totient is φ = 1745030231424.

The previous prime is 1745040718301. The next prime is 1745040718439. The reversal of 1745040718361 is 1638170405471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310172138761 + 1434868579600 = 556931^2 + 1197860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745040718361 - 2⁶ = 1745040718297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1745040718301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989776 + ... + 5328033.

It is an arithmetic number, because the mean of its divisors is an integer number (436262801325).

Almost surely, 2^{1745040718361} is an apocalyptic number.

It is an amenable number.

1745040718361 is a deficient number, since it is larger than the sum of its proper divisors (10486939).

1745040718361 is a wasteful number, since it uses less digits than its factorization.

1745040718361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486938.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 1745040718361 in words is "one trillion, seven hundred forty-five billion, forty million, seven hundred eighteen thousand, three hundred sixty-one".