1444303413 has 16 divisors (see below), whose sum is σ = 2445381760. Its totient is φ = 825316128.

The previous prime is 1444303387. The next prime is 1444303429. The reversal of 1444303413 is 3143034441.

It is not a de Polignac number, because 1444303413 - 2⁵ = 1444303381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444303453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820720 + ... + 3821097.

It is an arithmetic number, because the mean of its divisors is an integer number (152836360).

Almost surely, 2^1444303413 is an apocalyptic number.

It is an amenable number.

1444303413 is a deficient number, since it is larger than the sum of its proper divisors (1001078347).

1444303413 is an equidigital number, since it uses as much as digits as its factorization.

1444303413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641833 (or 7641827 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1444303413 is about 38003.9920666237. The cubic root of 1444303413 is about 1130.3670233369.

Adding to 1444303413 its reverse (3143034441), we get a palindrome (4587337854).

The spelling of 1444303413 in words is "one billion, four hundred forty-four million, three hundred three thousand, four hundred thirteen".