1149789419 has 8 divisors (see below), whose sum is σ = 1189890000. Its totient is φ = 1109719072.

The previous prime is 1149789401. The next prime is 1149789439. The reversal of 1149789419 is 9149879411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149789419 is a prime.

It is a super-2 number, since 2×1149789419² = 2644031416088715122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149789439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92432 + ... + 104130.

It is an arithmetic number, because the mean of its divisors is an integer number (148736250).

Almost surely, 2^1149789419 is an apocalyptic number.

1149789419 is a deficient number, since it is larger than the sum of its proper divisors (40100581).

1149789419 is a wasteful number, since it uses less digits than its factorization.

1149789419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15117.

The product of its digits is 653184, while the sum is 53.

The square root of 1149789419 is about 33908.5449260212. The cubic root of 1149789419 is about 1047.6256004234.

The spelling of 1149789419 in words is "one billion, one hundred forty-nine million, seven hundred eighty-nine thousand, four hundred nineteen".