4511245653 has 12 divisors (see below), whose sum is σ = 6517302220. Its totient is φ = 3007008576.

The previous prime is 4511245637. The next prime is 4511245657. The reversal of 4511245653 is 3565421154.

4511245653 is a `hidden beast` number, since 45 + 112 + 456 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3797394129 + 713851524 = 61623^2 + 26718^2 .

It is not a de Polignac number, because 4511245653 - 2⁴ = 4511245637 is a prime.

It is a super-2 number, since 2×4511245653² = 40702674683422792818, 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 (4511245657) 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, 23025 + ... + 97737.

Almost surely, 2^4511245653 is an apocalyptic number.

It is an amenable number.

4511245653 is a deficient number, since it is larger than the sum of its proper divisors (2006056567).

4511245653 is a wasteful number, since it uses less digits than its factorization.

4511245653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81428 (or 81425 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 4511245653 is about 67165.8071715065. The cubic root of 4511245653 is about 1652.3377518286.

The spelling of 4511245653 in words is "four billion, five hundred eleven million, two hundred forty-five thousand, six hundred fifty-three".