1409194249 has 4 divisors (see below), whose sum is σ = 1454652160. Its totient is φ = 1363736340.

The previous prime is 1409194219. The next prime is 1409194253. The reversal of 1409194249 is 9424919041.

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 a cyclic number.

It is not a de Polignac number, because 1409194249 - 2⁷ = 1409194121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409194219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22728909 + ... + 22728970.

It is an arithmetic number, because the mean of its divisors is an integer number (363663040).

Almost surely, 2^1409194249 is an apocalyptic number.

It is an amenable number.

1409194249 is a deficient number, since it is larger than the sum of its proper divisors (45457911).

1409194249 is an equidigital number, since it uses as much as digits as its factorization.

1409194249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45457910.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1409194249 is about 37539.2361270178. The cubic root of 1409194249 is about 1121.1325302742.

The spelling of 1409194249 in words is "one billion, four hundred nine million, one hundred ninety-four thousand, two hundred forty-nine".