15730144442873 has 12 divisors (see below), whose sum is σ = 18299354050980. Its totient is φ = 13482227338272.

The previous prime is 15730144442863. The next prime is 15730144442917. The reversal of 15730144442873 is 37824444103751.

It can be written as a sum of positive squares in 2 ways, for example, as 3439882414864 + 12290262028009 = 1854692^2 + 3505747^2 .

It is not a de Polignac number, because 15730144442873 - 2¹⁴ = 15730144426489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15730144442863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8085086 + ... + 9840167.

It is an arithmetic number, because the mean of its divisors is an integer number (1524946170915).

Almost surely, 2^{15730144442873} is an apocalyptic number.

It is an amenable number.

15730144442873 is a deficient number, since it is larger than the sum of its proper divisors (2569209608107).

15730144442873 is a wasteful number, since it uses less digits than its factorization.

15730144442873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943176 (or 17943169 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 15730144442873 in words is "fifteen trillion, seven hundred thirty billion, one hundred forty-four million, four hundred forty-two thousand, eight hundred seventy-three".