2027573661 has 4 divisors (see below), whose sum is σ = 2703431552. Its totient is φ = 1351715772.

The previous prime is 2027573621. The next prime is 2027573683. The reversal of 2027573661 is 1663757202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2027573661 - 2²⁶ = 1960464797 is a prime.

It is a super-2 number, since 2×2027573661² = 8222109901561885842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027573621) by changing a digit.

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, 337928941 + ... + 337928946.

It is an arithmetic number, because the mean of its divisors is an integer number (675857888).

Almost surely, 2^2027573661 is an apocalyptic number.

It is an amenable number.

2027573661 is a deficient number, since it is larger than the sum of its proper divisors (675857891).

2027573661 is an equidigital number, since it uses as much as digits as its factorization.

2027573661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675857890.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2027573661 is about 45028.5871530520. The cubic root of 2027573661 is about 1265.6847487647.

The spelling of 2027573661 in words is "two billion, twenty-seven million, five hundred seventy-three thousand, six hundred sixty-one".