4545205013 has 4 divisors (see below), whose sum is σ = 4545340620. Its totient is φ = 4545069408.

The previous prime is 4545205001. The next prime is 4545205031. The reversal of 4545205013 is 3105025454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2586434449 + 1958770564 = 50857^2 + 44258^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545205013 - 2¹⁶ = 4545139477 is a prime.

It is a super-2 number, since 2×4545205013² = 41317777220400660338, 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 (4545205033) 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, 23081 + ... + 98097.

It is an arithmetic number, because the mean of its divisors is an integer number (1136335155).

Almost surely, 2^4545205013 is an apocalyptic number.

It is an amenable number.

4545205013 is a deficient number, since it is larger than the sum of its proper divisors (135607).

4545205013 is an equidigital number, since it uses as much as digits as its factorization.

4545205013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135606.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 4545205013 is about 67418.1356387137. The cubic root of 4545205013 is about 1656.4734993645.

The spelling of 4545205013 in words is "four billion, five hundred forty-five million, two hundred five thousand, thirteen".