63500693445 has 128 divisors (see below), whose sum is σ = 135215308800. Its totient is φ = 27645387264.

The previous prime is 63500693429. The next prime is 63500693447. The reversal of 63500693445 is 54439600536.

63500693445 is a `hidden beast` number, since 635 + 0 + 0 + 6 + 9 + 3 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 63500693445 - 2⁴ = 63500693429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63500693445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63500693447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5057986 + ... + 5070524.

It is an arithmetic number, because the mean of its divisors is an integer number (1056369600).

Almost surely, 2^63500693445 is an apocalyptic number.

It is an amenable number.

63500693445 is an abundant number, since it is smaller than the sum of its proper divisors (71714615355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63500693445 is a wasteful number, since it uses less digits than its factorization.

63500693445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816 (or 12810 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 63500693445 in words is "sixty-three billion, five hundred million, six hundred ninety-three thousand, four hundred forty-five".