63968953 has 8 divisors (see below), whose sum is σ = 67482720. Its totient is φ = 60469920.

The previous prime is 63968923. The next prime is 63968959. The reversal of 63968953 is 35986936.

63968953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63968953 - 2¹³ = 63960761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63968897 and 63968906.

It is not an unprimeable number, because it can be changed into a prime (63968959) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5901 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (8435340).

Almost surely, 2^63968953 is an apocalyptic number.

It is an amenable number.

63968953 is a deficient number, since it is larger than the sum of its proper divisors (3513767).

63968953 is a wasteful number, since it uses less digits than its factorization.

63968953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367.

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

The square root of 63968953 is about 7998.0593271118. The cubic root of 63968953 is about 399.9353082880.

The spelling of 63968953 in words is "sixty-three million, nine hundred sixty-eight thousand, nine hundred fifty-three".