1428743158573 has 4 divisors (see below), whose sum is σ = 1452165177628. Its totient is φ = 1405321139520.

The previous prime is 1428743158547. The next prime is 1428743158589. The reversal of 1428743158573 is 3758513478241.

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 200276835529 + 1228466323044 = 447523^2 + 1108362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428743158573 - 2⁵ = 1428743158541 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 (1428743158873) 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, 11711009436 + ... + 11711009557.

It is an arithmetic number, because the mean of its divisors is an integer number (363041294407).

Almost surely, 2^{1428743158573} is an apocalyptic number.

It is an amenable number.

1428743158573 is a deficient number, since it is larger than the sum of its proper divisors (23422019055).

1428743158573 is an equidigital number, since it uses as much as digits as its factorization.

1428743158573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23422019054.

The product of its digits is 22579200, while the sum is 58.

The spelling of 1428743158573 in words is "one trillion, four hundred twenty-eight billion, seven hundred forty-three million, one hundred fifty-eight thousand, five hundred seventy-three".