63897450196 has 12 divisors (see below), whose sum is σ = 112004760448. Its totient is φ = 31896090072.

The previous prime is 63897450137. The next prime is 63897450203. The reversal of 63897450196 is 69105479836.

It is a self number, because there is not a number n which added to its sum of digits gives 63897450196.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13156026 + ... + 13160881.

Almost surely, 2^63897450196 is an apocalyptic number.

It is an amenable number.

63897450196 is a deficient number, since it is larger than the sum of its proper divisors (48107310252).

63897450196 is a wasteful number, since it uses less digits than its factorization.

63897450196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26317518 (or 26317516 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 63897450196 in words is "sixty-three billion, eight hundred ninety-seven million, four hundred fifty thousand, one hundred ninety-six".