63649132195 has 16 divisors (see below), whose sum is σ = 83328333408. Its totient is φ = 46287037440.

The previous prime is 63649132193. The next prime is 63649132223. The reversal of 63649132195 is 59123194636.

It is not a de Polignac number, because 63649132195 - 2¹ = 63649132193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63649132193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987187 + ... + 1049683.

It is an arithmetic number, because the mean of its divisors is an integer number (5208020838).

Almost surely, 2^63649132195 is an apocalyptic number.

63649132195 is a deficient number, since it is larger than the sum of its proper divisors (19679201213).

63649132195 is a wasteful number, since it uses less digits than its factorization.

63649132195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81030.

The product of its digits is 1049760, while the sum is 49.

The spelling of 63649132195 in words is "sixty-three billion, six hundred forty-nine million, one hundred thirty-two thousand, one hundred ninety-five".