1169380799 has 4 divisors (see below), whose sum is σ = 1169472864. Its totient is φ = 1169288736.

The previous prime is 1169380781. The next prime is 1169380811. The reversal of 1169380799 is 9970839611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9970839611 = 55219 ⋅180569.

It is a cyclic number.

It is not a de Polignac number, because 1169380799 - 2¹⁶ = 1169315263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1169380799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169383799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23207 + ... + 53640.

It is an arithmetic number, because the mean of its divisors is an integer number (292368216).

Almost surely, 2^1169380799 is an apocalyptic number.

1169380799 is a deficient number, since it is larger than the sum of its proper divisors (92065).

1169380799 is an equidigital number, since it uses as much as digits as its factorization.

1169380799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92064.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 1169380799 is about 34196.2103017279. The cubic root of 1169380799 is about 1053.5423214575.

The spelling of 1169380799 in words is "one billion, one hundred sixty-nine million, three hundred eighty thousand, seven hundred ninety-nine".