2005529973 has 4 divisors (see below), whose sum is σ = 2674039968. Its totient is φ = 1337019980.

The previous prime is 2005529963. The next prime is 2005530013. The reversal of 2005529973 is 3799255002.

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 a cyclic number.

It is not a de Polignac number, because 2005529973 - 2¹² = 2005525877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005529923) 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, 334254993 + ... + 334254998.

It is an arithmetic number, because the mean of its divisors is an integer number (668509992).

Almost surely, 2^2005529973 is an apocalyptic number.

It is an amenable number.

2005529973 is a deficient number, since it is larger than the sum of its proper divisors (668509995).

2005529973 is an equidigital number, since it uses as much as digits as its factorization.

2005529973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668509994.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 2005529973 is about 44783.1438489975. The cubic root of 2005529973 is about 1261.0812028466.

The spelling of 2005529973 in words is "two billion, five million, five hundred twenty-nine thousand, nine hundred seventy-three".