2005493000 has 64 divisors (see below), whose sum is σ = 5363280000. Its totient is φ = 687595200.

The previous prime is 2005492987. The next prime is 2005493033. The reversal of 2005493000 is 3945002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136250 + ... + 150249.

It is an arithmetic number, because the mean of its divisors is an integer number (83801250).

Almost surely, 2^2005493000 is an apocalyptic number.

2005493000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005493000 is an abundant number, since it is smaller than the sum of its proper divisors (3357787000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005493000 is a wasteful number, since it uses less digits than its factorization.

2005493000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286527 (or 286513 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2005493000 is about 44782.7310466881. The cubic root of 2005493000 is about 1261.0734532338.

The spelling of 2005493000 in words is "two billion, five million, four hundred ninety-three thousand".