63668929753 has 16 divisors (see below), whose sum is σ = 75258783936. Its totient is φ = 53100671040.

The previous prime is 63668929739. The next prime is 63668929763. The reversal of 63668929753 is 35792986636.

It is a cyclic number.

It is not a de Polignac number, because 63668929753 - 2²¹ = 63666832601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63668929763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342450 + ... + 1389067.

It is an arithmetic number, because the mean of its divisors is an integer number (4703673996).

Almost surely, 2^63668929753 is an apocalyptic number.

It is an amenable number.

63668929753 is a deficient number, since it is larger than the sum of its proper divisors (11589854183).

63668929753 is a wasteful number, since it uses less digits than its factorization.

63668929753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731704.

The product of its digits is 88179840, while the sum is 64.

The spelling of 63668929753 in words is "sixty-three billion, six hundred sixty-eight million, nine hundred twenty-nine thousand, seven hundred fifty-three".