63936986135 has 16 divisors (see below), whose sum is σ = 83730373920. Its totient is φ = 46482378240.

The previous prime is 63936986119. The next prime is 63936986173. The reversal of 63936986135 is 53168963936.

It is not a de Polignac number, because 63936986135 - 2⁴ = 63936986119 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, 65030 + ... + 363459.

It is an arithmetic number, because the mean of its divisors is an integer number (5233148370).

Almost surely, 2^63936986135 is an apocalyptic number.

63936986135 is a deficient number, since it is larger than the sum of its proper divisors (19793387785).

63936986135 is a wasteful number, since it uses less digits than its factorization.

63936986135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431218.

The product of its digits is 18895680, while the sum is 59.

The spelling of 63936986135 in words is "sixty-three billion, nine hundred thirty-six million, nine hundred eighty-six thousand, one hundred thirty-five".