653020444052 has 6 divisors (see below), whose sum is σ = 1142785777098. Its totient is φ = 326510222024.

The previous prime is 653020444001. The next prime is 653020444061. The reversal of 653020444052 is 250444020356.

It can be written as a sum of positive squares in only one way, i.e., 457414152976 + 195606291076 = 676324^2 + 442274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81627555503 + ... + 81627555510.

It is an arithmetic number, because the mean of its divisors is an integer number (190464296183).

Almost surely, 2^653020444052 is an apocalyptic number.

It is an amenable number.

653020444052 is a deficient number, since it is larger than the sum of its proper divisors (489765333046).

653020444052 is a wasteful number, since it uses less digits than its factorization.

653020444052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163255111017 (or 163255111015 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 653020444052 in words is "six hundred fifty-three billion, twenty million, four hundred forty-four thousand, fifty-two".