1573428655 has 8 divisors (see below), whose sum is σ = 1888604784. Its totient is φ = 1258416000.

The previous prime is 1573428631. The next prime is 1573428667. The reversal of 1573428655 is 5568243751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1573428655 - 2¹⁹ = 1572904367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18586 + ... + 59095.

It is an arithmetic number, because the mean of its divisors is an integer number (236075598).

Almost surely, 2^1573428655 is an apocalyptic number.

1573428655 is a deficient number, since it is larger than the sum of its proper divisors (315176129).

1573428655 is an equidigital number, since it uses as much as digits as its factorization.

1573428655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81737.

The product of its digits is 1008000, while the sum is 46.

The square root of 1573428655 is about 39666.4676395567. The cubic root of 1573428655 is about 1163.0963291888.

The spelling of 1573428655 in words is "one billion, five hundred seventy-three million, four hundred twenty-eight thousand, six hundred fifty-five".