632005420453 has 6 divisors (see below), whose sum is σ = 694683644102. Its totient is φ = 574550382120.

The previous prime is 632005420447. The next prime is 632005420507. The reversal of 632005420453 is 354024500236.

632005420453 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., 350461632004 + 281543788449 = 591998^2 + 530607^2 .

It is not a de Polignac number, because 632005420453 - 2⁵ = 632005420421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632005423453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2611592526 + ... + 2611592767.

Almost surely, 2^632005420453 is an apocalyptic number.

It is an amenable number.

632005420453 is a deficient number, since it is larger than the sum of its proper divisors (62678223649).

632005420453 is a wasteful number, since it uses less digits than its factorization.

632005420453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223185315 (or 5223185304 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 632005420453 its reverse (354024500236), we get a palindrome (986029920689).

The spelling of 632005420453 in words is "six hundred thirty-two billion, five million, four hundred twenty thousand, four hundred fifty-three".