1568885485 has 4 divisors (see below), whose sum is σ = 1882662588. Its totient is φ = 1255108384.

The previous prime is 1568885447. The next prime is 1568885497. The reversal of 1568885485 is 5845888651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5845888651 = 17 ⋅343875803.

It can be written as a sum of positive squares in 2 ways, for example, as 831111241 + 737774244 = 28829^2 + 27162^2 .

It is a cyclic number.

It is not a de Polignac number, because 1568885485 - 2²⁵ = 1535331053 is a prime.

It is a super-2 number, since 2×1568885485² = 4922803330087370450, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156888544 + ... + 156888553.

It is an arithmetic number, because the mean of its divisors is an integer number (470665647).

Almost surely, 2^1568885485 is an apocalyptic number.

It is an amenable number.

1568885485 is a deficient number, since it is larger than the sum of its proper divisors (313777103).

1568885485 is an equidigital number, since it uses as much as digits as its factorization.

1568885485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313777102.

The product of its digits is 12288000, while the sum is 58.

The square root of 1568885485 is about 39609.1591049343. The cubic root of 1568885485 is about 1161.9757957223.

The spelling of 1568885485 in words is "one billion, five hundred sixty-eight million, eight hundred eighty-five thousand, four hundred eighty-five".