1129969793 has 2 divisors, whose sum is σ = 1129969794. Its totient is φ = 1129969792.

The previous prime is 1129969733. The next prime is 1129969801. The reversal of 1129969793 is 3979699211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050278464 + 79691329 = 32408^2 + 8927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129969793 - 2²² = 1125775489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129969733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564984896 + 564984897.

It is an arithmetic number, because the mean of its divisors is an integer number (564984897).

Almost surely, 2^1129969793 is an apocalyptic number.

It is an amenable number.

1129969793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129969793 is an equidigital number, since it uses as much as digits as its factorization.

1129969793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 56.

The square root of 1129969793 is about 33615.0233229132. The cubic root of 1129969793 is about 1041.5711560969.

The spelling of 1129969793 in words is "one billion, one hundred twenty-nine million, nine hundred sixty-nine thousand, seven hundred ninety-three".