1745206913 has 2 divisors, whose sum is σ = 1745206914. Its totient is φ = 1745206912.

The previous prime is 1745206871. The next prime is 1745206973. The reversal of 1745206913 is 3196025471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268570689 + 476636224 = 35617^2 + 21832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745206913 - 2⁸ = 1745206657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1745206973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872603456 + 872603457.

It is an arithmetic number, because the mean of its divisors is an integer number (872603457).

Almost surely, 2^1745206913 is an apocalyptic number.

It is an amenable number.

1745206913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745206913 is an equidigital number, since it uses as much as digits as its factorization.

1745206913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1745206913 is about 41775.6736989363. The cubic root of 1745206913 is about 1203.9699335858.

The spelling of 1745206913 in words is "one billion, seven hundred forty-five million, two hundred six thousand, nine hundred thirteen".