1579684491025 has 27 divisors (see below), whose sum is σ = 2008077385009. Its totient is φ = 1232723384000.

The previous prime is 1579684490999. The next prime is 1579684491031. The reversal of 1579684491025 is 5201944869751.

The square root of 1579684491025 is 1256855.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 664914668929 + 914769822096 = 815423^2 + 956436^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1579684491025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 257652210 + ... + 257658340.

Almost surely, 2^{1579684491025} is an apocalyptic number.

1579684491025 is the 1256855-th square number.

1579684491025 is the 628428-th centered octagonal number.

It is an amenable number.

1579684491025 is a deficient number, since it is larger than the sum of its proper divisors (428392893984).

1579684491025 is an frugal number, since it uses more digits than its factorization.

1579684491025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354 (or 6177 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 1579684491025 in words is "one trillion, five hundred seventy-nine billion, six hundred eighty-four million, four hundred ninety-one thousand, twenty-five".