1141543709 has 2 divisors, whose sum is σ = 1141543710. Its totient is φ = 1141543708.

The previous prime is 1141543687. The next prime is 1141543717. The reversal of 1141543709 is 9073451411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627252025 + 514291684 = 25045^2 + 22678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141543709 - 2⁸ = 1141543453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141542709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570771854 + 570771855.

It is an arithmetic number, because the mean of its divisors is an integer number (570771855).

Almost surely, 2^1141543709 is an apocalyptic number.

It is an amenable number.

1141543709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141543709 is an equidigital number, since it uses as much as digits as its factorization.

1141543709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1141543709 is about 33786.7386558691. The cubic root of 1141543709 is about 1045.1152422833.

The spelling of 1141543709 in words is "one billion, one hundred forty-one million, five hundred forty-three thousand, seven hundred nine".