653646340352 has 18 divisors (see below), whose sum is σ = 1304739375198. Its totient is φ = 326823170048.

The previous prime is 653646340351. The next prime is 653646340357. The reversal of 653646340352 is 253043646356.

It can be written as a sum of positive squares in only one way, i.e., 526750802176 + 126895538176 = 725776^2 + 356224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 653646340297 and 653646340306.

It is not an unprimeable number, because it can be changed into a prime (653646340351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276652753 + ... + 1276653264.

Almost surely, 2^653646340352 is an apocalyptic number.

It is an amenable number.

653646340352 is a deficient number, since it is larger than the sum of its proper divisors (651093034846).

653646340352 is an equidigital number, since it uses as much as digits as its factorization.

653646340352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553306033 (or 2553306019 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 653646340352 in words is "six hundred fifty-three billion, six hundred forty-six million, three hundred forty thousand, three hundred fifty-two".