1133444469 has 4 divisors (see below), whose sum is σ = 1511259296. Its totient is φ = 755629644.

The previous prime is 1133444443. The next prime is 1133444479. The reversal of 1133444469 is 9644443311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1133444469 - 2⁹ = 1133443957 is a prime.

It is a super-2 number, since 2×1133444469² = 2569392728613383922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133444479) 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, 188907409 + ... + 188907414.

It is an arithmetic number, because the mean of its divisors is an integer number (377814824).

Almost surely, 2^1133444469 is an apocalyptic number.

It is an amenable number.

1133444469 is a deficient number, since it is larger than the sum of its proper divisors (377814827).

1133444469 is an equidigital number, since it uses as much as digits as its factorization.

1133444469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377814826.

The product of its digits is 124416, while the sum is 39.

The square root of 1133444469 is about 33666.6670313531. The cubic root of 1133444469 is about 1042.6376798880.

The spelling of 1133444469 in words is "one billion, one hundred thirty-three million, four hundred forty-four thousand, four hundred sixty-nine".