1444312417 has 4 divisors (see below), whose sum is σ = 1520328880. Its totient is φ = 1368295956.

The previous prime is 1444312409. The next prime is 1444312421. The reversal of 1444312417 is 7142134441.

It is a happy number.

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 1444312417 - 2³ = 1444312409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444312517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38008203 + ... + 38008240.

It is an arithmetic number, because the mean of its divisors is an integer number (380082220).

Almost surely, 2^1444312417 is an apocalyptic number.

It is an amenable number.

1444312417 is a deficient number, since it is larger than the sum of its proper divisors (76016463).

1444312417 is an equidigital number, since it uses as much as digits as its factorization.

1444312417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76016462.

The product of its digits is 10752, while the sum is 31.

The square root of 1444312417 is about 38004.1105276785. The cubic root of 1444312417 is about 1130.3693722902.

Adding to 1444312417 its reverse (7142134441), we get a palindrome (8586446858).

The spelling of 1444312417 in words is "one billion, four hundred forty-four million, three hundred twelve thousand, four hundred seventeen".