2005056453 has 12 divisors (see below), whose sum is σ = 2821521408. Its totient is φ = 1266350760.

The previous prime is 2005056451. The next prime is 2005056457. The reversal of 2005056453 is 3546505002.

It is not a de Polignac number, because 2005056453 - 2¹ = 2005056451 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2005056453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005056451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 924613 + ... + 926778.

It is an arithmetic number, because the mean of its divisors is an integer number (235126784).

Almost surely, 2^2005056453 is an apocalyptic number.

It is an amenable number.

2005056453 is a deficient number, since it is larger than the sum of its proper divisors (816464955).

2005056453 is a wasteful number, since it uses less digits than its factorization.

2005056453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851432 (or 1851413 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2005056453 is about 44777.8567262883. The cubic root of 2005056453 is about 1260.9819449310.

The spelling of 2005056453 in words is "two billion, five million, fifty-six thousand, four hundred fifty-three".