1428715728573 has 32 divisors (see below), whose sum is σ = 2199599001600. Its totient is φ = 807978243456.

The previous prime is 1428715728571. The next prime is 1428715728589. The reversal of 1428715728573 is 3758275178241.

It is not a de Polignac number, because 1428715728573 - 2¹ = 1428715728571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428715728571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3275008 + ... + 3685526.

It is an arithmetic number, because the mean of its divisors is an integer number (68737468800).

Almost surely, 2^{1428715728573} is an apocalyptic number.

It is an amenable number.

1428715728573 is a deficient number, since it is larger than the sum of its proper divisors (770883273027).

1428715728573 is a wasteful number, since it uses less digits than its factorization.

1428715728573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412241.

The product of its digits is 26342400, while the sum is 60.

The spelling of 1428715728573 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, seven hundred twenty-eight thousand, five hundred seventy-three".