63964652851 has 8 divisors (see below), whose sum is σ = 69781842864. Its totient is φ = 58147833120.

The previous prime is 63964652827. The next prime is 63964652893. The reversal of 63964652851 is 15825646936.

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 63964652851 - 2⁵ = 63964652819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63964652792 and 63964652801.

It is not an unprimeable number, because it can be changed into a prime (63964655851) 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 7 ways as a sum of consecutive naturals, for example, 368505 + ... + 513541.

It is an arithmetic number, because the mean of its divisors is an integer number (8722730358).

Almost surely, 2^63964652851 is an apocalyptic number.

63964652851 is a deficient number, since it is larger than the sum of its proper divisors (5817190013).

63964652851 is a wasteful number, since it uses less digits than its factorization.

63964652851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185141.

The product of its digits is 9331200, while the sum is 55.

The spelling of 63964652851 in words is "sixty-three billion, nine hundred sixty-four million, six hundred fifty-two thousand, eight hundred fifty-one".