63655995005 has 16 divisors (see below), whose sum is σ = 76555804080. Its totient is φ = 50812489728.

The previous prime is 63655994953. The next prime is 63655995037. The reversal of 63655995005 is 50059955636.

It can be written as a sum of positive squares in 8 ways, for example, as 18628428196 + 45027566809 = 136486^2 + 212197^2 .

It is a cyclic number.

It is not a de Polignac number, because 63655995005 - 2¹⁴ = 63655978621 is a prime.

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, 6471431 + ... + 6481259.

It is an arithmetic number, because the mean of its divisors is an integer number (4784737755).

Almost surely, 2^63655995005 is an apocalyptic number.

It is an amenable number.

63655995005 is a deficient number, since it is larger than the sum of its proper divisors (12899809075).

63655995005 is a wasteful number, since it uses less digits than its factorization.

63655995005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12560.

The product of its (nonzero) digits is 5467500, while the sum is 53.

The spelling of 63655995005 in words is "sixty-three billion, six hundred fifty-five million, nine hundred ninety-five thousand, five".