63632235136445 has 16 divisors (see below), whose sum is σ = 83638313123760. Its totient is φ = 46259215156224.

The previous prime is 63632235136399. The next prime is 63632235136487. The reversal of 63632235136445 is 54463153223636.

63632235136445 is digitally balanced in base 6, 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 8 ways, for example, as 9560890700761 + 54071344435684 = 3092069^2 + 7353322^2 .

It is a cyclic number.

It is not a de Polignac number, because 63632235136445 - 2¹⁸ = 63632234874301 is a prime.

It is a super-2 number, since 2×63632235136445² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12907144622 + ... + 12907149551.

It is an arithmetic number, because the mean of its divisors is an integer number (5227394570235).

Almost surely, 2^{63632235136445} is an apocalyptic number.

It is an amenable number.

63632235136445 is a deficient number, since it is larger than the sum of its proper divisors (20006077987315).

63632235136445 is a wasteful number, since it uses less digits than its factorization.

63632235136445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25814294224.

The product of its digits is 27993600, while the sum is 53.

The spelling of 63632235136445 in words is "sixty-three trillion, six hundred thirty-two billion, two hundred thirty-five million, one hundred thirty-six thousand, four hundred forty-five".