1143829669 has 2 divisors, whose sum is σ = 1143829670. Its totient is φ = 1143829668.

The previous prime is 1143829657. The next prime is 1143829733. The reversal of 1143829669 is 9669283411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047299044 + 96530625 = 32362^2 + 9825^2 .

It is an emirp because it is prime and its reverse (9669283411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143829669 - 2¹⁹ = 1143305381 is a prime.

It is a super-2 number, since 2×1143829669² = 2616692623369299122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143829069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571914834 + 571914835.

It is an arithmetic number, because the mean of its divisors is an integer number (571914835).

Almost surely, 2^1143829669 is an apocalyptic number.

It is an amenable number.

1143829669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143829669 is an equidigital number, since it uses as much as digits as its factorization.

1143829669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 1143829669 is about 33820.5509860499. The cubic root of 1143829669 is about 1045.8123972733.

The spelling of 1143829669 in words is "one billion, one hundred forty-three million, eight hundred twenty-nine thousand, six hundred sixty-nine".