1119923069 has 2 divisors, whose sum is σ = 1119923070. Its totient is φ = 1119923068.

The previous prime is 1119923041. The next prime is 1119923071. The reversal of 1119923069 is 9603299111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857904100 + 262018969 = 29290^2 + 16187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1119923069 - 2²⁸ = 851487613 is a prime.

It is a super-2 number, since 2×1119923069² = 2508455360956757522, which contains 22 as substring.

Together with 1119923071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119923009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559961534 + 559961535.

It is an arithmetic number, because the mean of its divisors is an integer number (559961535).

Almost surely, 2^1119923069 is an apocalyptic number.

It is an amenable number.

1119923069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119923069 is an equidigital number, since it uses as much as digits as its factorization.

1119923069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1119923069 is about 33465.2516649733. The cubic root of 1119923069 is about 1038.4750422208.

The spelling of 1119923069 in words is "one billion, one hundred nineteen million, nine hundred twenty-three thousand, sixty-nine".