63673012485 has 24 divisors (see below), whose sum is σ = 110394075480. Its totient is φ = 33950472192.

The previous prime is 63673012471. The next prime is 63673012489. The reversal of 63673012485 is 58421037636.

63673012485 is a `hidden beast` number, since 636 + 7 + 3 + 0 + 1 + 2 + 4 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21951681921 + 41721330564 = 148161^2 + 204258^2 .

It is not a de Polignac number, because 63673012485 - 2⁷ = 63673012357 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63673012485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63673012489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8181 + ... + 356949.

It is an arithmetic number, because the mean of its divisors is an integer number (4599753145).

Almost surely, 2^63673012485 is an apocalyptic number.

It is an amenable number.

63673012485 is a deficient number, since it is larger than the sum of its proper divisors (46721062995).

63673012485 is a wasteful number, since it uses less digits than its factorization.

63673012485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352837 (or 352834 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 63673012485 in words is "sixty-three billion, six hundred seventy-three million, twelve thousand, four hundred eighty-five".