4490543653 has 4 divisors (see below), whose sum is σ = 4492044000. Its totient is φ = 4489043308.

The previous prime is 4490543647. The next prime is 4490543671. The reversal of 4490543653 is 3563450944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4490543653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490547653) 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, 745675 + ... + 751672.

It is an arithmetic number, because the mean of its divisors is an integer number (1123011000).

Almost surely, 2^4490543653 is an apocalyptic number.

It is an amenable number.

4490543653 is a deficient number, since it is larger than the sum of its proper divisors (1500347).

4490543653 is a wasteful number, since it uses less digits than its factorization.

4490543653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500346.

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 4490543653 is about 67011.5188083362. The cubic root of 4490543653 is about 1649.8063627065.

The spelling of 4490543653 in words is "four billion, four hundred ninety million, five hundred forty-three thousand, six hundred fifty-three".