1444322413 has 4 divisors (see below), whose sum is σ = 1449652288. Its totient is φ = 1438992540.

The previous prime is 1444322401. The next prime is 1444322441. The reversal of 1444322413 is 3142234441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3142234441 = 607 ⋅5176663.

It is a cyclic number.

It is not a de Polignac number, because 1444322413 - 2⁵ = 1444322381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441322413) 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, 2664531 + ... + 2665072.

It is an arithmetic number, because the mean of its divisors is an integer number (362413072).

Almost surely, 2^1444322413 is an apocalyptic number.

It is an amenable number.

1444322413 is a deficient number, since it is larger than the sum of its proper divisors (5329875).

1444322413 is an equidigital number, since it uses as much as digits as its factorization.

1444322413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329874.

The product of its digits is 9216, while the sum is 28.

The square root of 1444322413 is about 38004.2420395408. The cubic root of 1444322413 is about 1130.3719800238.

Adding to 1444322413 its reverse (3142234441), we get a palindrome (4586556854).

It can be divided in two parts, 14443 and 22413, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 1444322413 in words is "one billion, four hundred forty-four million, three hundred twenty-two thousand, four hundred thirteen".