63954845936 has 20 divisors (see below), whose sum is σ = 124541517672. Its totient is φ = 31815099456.

The previous prime is 63954845909. The next prime is 63954845963.

63954845936 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (63954845909) and next prime (63954845963).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10141970 + ... + 10148273.

Almost surely, 2^63954845936 is an apocalyptic number.

It is an amenable number.

63954845936 is a deficient number, since it is larger than the sum of its proper divisors (60586671736).

63954845936 is a wasteful number, since it uses less digits than its factorization.

63954845936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290448 (or 20290442 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 62.

The spelling of 63954845936 in words is "sixty-three billion, nine hundred fifty-four million, eight hundred forty-five thousand, nine hundred thirty-six".