15728619044573 has 2 divisors, whose sum is σ = 15728619044574. Its totient is φ = 15728619044572.

The previous prime is 15728619044549. The next prime is 15728619044581. The reversal of 15728619044573 is 37544091682751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12967179394009 + 2761439650564 = 3600997^2 + 1661758^2 .

It is a cyclic number.

It is not a de Polignac number, because 15728619044573 - 2²⁶ = 15728551935709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15728619046573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7864309522286 + 7864309522287.

It is an arithmetic number, because the mean of its divisors is an integer number (7864309522287).

It is a 2-persistent number, because it is pandigital, and so is 2⋅15728619044573 = 31457238089146, but 3⋅15728619044573 = 47185857133719 is not.

Almost surely, 2^{15728619044573} is an apocalyptic number.

It is an amenable number.

15728619044573 is a deficient number, since it is larger than the sum of its proper divisors (1).

15728619044573 is an equidigital number, since it uses as much as digits as its factorization.

15728619044573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 15728619044573 in words is "fifteen trillion, seven hundred twenty-eight billion, six hundred nineteen million, forty-four thousand, five hundred seventy-three".