2013045453 has 10 divisors (see below), whose sum is σ = 3007142094. Its totient is φ = 1342030248.

The previous prime is 2013045451. The next prime is 2013045457. The reversal of 2013045453 is 3545403102.

2013045453 is a `hidden beast` number, since 201 + 3 + 0 + 4 + 5 + 453 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1772578404 + 240467049 = 42102^2 + 15507^2 .

It is not a de Polignac number, because 2013045453 - 2¹ = 2013045451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013045451) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12426126 + ... + 12426287.

Almost surely, 2^2013045453 is an apocalyptic number.

It is an amenable number.

2013045453 is a deficient number, since it is larger than the sum of its proper divisors (994096641).

2013045453 is an equidigital number, since it uses as much as digits as its factorization.

2013045453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24852425 (or 24852416 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2013045453 is about 44866.9750819018. The cubic root of 2013045453 is about 1262.6544887967.

Adding to 2013045453 its reverse (3545403102), we get a palindrome (5558448555).

The spelling of 2013045453 in words is "two billion, thirteen million, forty-five thousand, four hundred fifty-three".