297648220653 has 12 divisors (see below), whose sum is σ = 491355792928. Its totient is φ = 170084697480.

The previous prime is 297648220643. The next prime is 297648220691. The reversal of 297648220653 is 356022846792.

297648220653 is a `hidden beast` number, since 2 + 97 + 6 + 482 + 20 + 6 + 53 = 666.

It is not a de Polignac number, because 297648220653 - 2¹⁰ = 297648219629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 297648220653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297648220643) 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, 2362287403 + ... + 2362287528.

Almost surely, 2^297648220653 is an apocalyptic number.

It is an amenable number.

297648220653 is a deficient number, since it is larger than the sum of its proper divisors (193707572275).

297648220653 is a wasteful number, since it uses less digits than its factorization.

297648220653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724574944 (or 4724574941 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 297648220653 in words is "two hundred ninety-seven billion, six hundred forty-eight million, two hundred twenty thousand, six hundred fifty-three".