1750664749 has 2 divisors, whose sum is σ = 1750664750. Its totient is φ = 1750664748.

The previous prime is 1750664701. The next prime is 1750664759. The reversal of 1750664749 is 9474660571.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1749748900 + 915849 = 41830^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1750664749 - 2¹¹ = 1750662701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1750664759) 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, 875332374 + 875332375.

It is an arithmetic number, because the mean of its divisors is an integer number (875332375).

Almost surely, 2^1750664749 is an apocalyptic number.

It is an amenable number.

1750664749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1750664749 is an equidigital number, since it uses as much as digits as its factorization.

1750664749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 1750664749 is about 41840.9458425595. The cubic root of 1750664749 is about 1205.2236975011.

The spelling of 1750664749 in words is "one billion, seven hundred fifty million, six hundred sixty-four thousand, seven hundred forty-nine".