653463601625 has 16 divisors (see below), whose sum is σ = 835413375888. Its totient is φ = 510020368000.

The previous prime is 653463601619. The next prime is 653463601639. The reversal of 653463601625 is 526106364356.

It can be written as a sum of positive squares in 8 ways, for example, as 599058972121 + 54404629504 = 773989^2 + 233248^2 .

It is a de Polignac number, because none of the positive numbers 2^k-653463601625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 653463601625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63747422 + ... + 63757671.

It is an arithmetic number, because the mean of its divisors is an integer number (52213335993).

Almost surely, 2^653463601625 is an apocalyptic number.

It is an amenable number.

653463601625 is a deficient number, since it is larger than the sum of its proper divisors (181949774263).

653463601625 is a wasteful number, since it uses less digits than its factorization.

653463601625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127505149 (or 127505139 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 653463601625 in words is "six hundred fifty-three billion, four hundred sixty-three million, six hundred one thousand, six hundred twenty-five".