1443045615413 has 4 divisors (see below), whose sum is σ = 1482046848300. Its totient is φ = 1404044382528.

The previous prime is 1443045615371. The next prime is 1443045615419. The reversal of 1443045615413 is 3145165403441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758193372049 + 684852243364 = 870743^2 + 827558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443045615413 - 2⁸ = 1443045615157 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 (1443045615419) 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, 19500616388 + ... + 19500616461.

It is an arithmetic number, because the mean of its divisors is an integer number (370511712075).

Almost surely, 2^{1443045615413} is an apocalyptic number.

It is an amenable number.

1443045615413 is a deficient number, since it is larger than the sum of its proper divisors (39001232887).

1443045615413 is an equidigital number, since it uses as much as digits as its factorization.

1443045615413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39001232886.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1443045615413 in words is "one trillion, four hundred forty-three billion, forty-five million, six hundred fifteen thousand, four hundred thirteen".