633485205256 has 8 divisors (see below), whose sum is σ = 1187784759870. Its totient is φ = 316742602624.

The previous prime is 633485205163. The next prime is 633485205257. The reversal of 633485205256 is 652502584336.

633485205256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 583069688100 + 50415517156 = 763590^2 + 224534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (633485205257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39592825321 + ... + 39592825336.

Almost surely, 2^633485205256 is an apocalyptic number.

It is an amenable number.

633485205256 is a deficient number, since it is larger than the sum of its proper divisors (554299554614).

633485205256 is a wasteful number, since it uses less digits than its factorization.

633485205256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79185650663 (or 79185650659 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 633485205256 in words is "six hundred thirty-three billion, four hundred eighty-five million, two hundred five thousand, two hundred fifty-six".