1743042949 has 2 divisors, whose sum is σ = 1743042950. Its totient is φ = 1743042948.

The previous prime is 1743042907. The next prime is 1743043051. The reversal of 1743042949 is 9492403471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326270724 + 416772225 = 36418^2 + 20415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1743042949 - 2²¹ = 1740945797 is a prime.

It is a super-4 number, since 4×1743042949⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1743042449) 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 as a sum of consecutive naturals, namely, 871521474 + 871521475.

It is an arithmetic number, because the mean of its divisors is an integer number (871521475).

Almost surely, 2^1743042949 is an apocalyptic number.

It is an amenable number.

1743042949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1743042949 is an equidigital number, since it uses as much as digits as its factorization.

1743042949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1743042949 is about 41749.7658556309. The cubic root of 1743042949 is about 1203.4721081518.

The spelling of 1743042949 in words is "one billion, seven hundred forty-three million, forty-two thousand, nine hundred forty-nine".