63741964685 has 16 divisors (see below), whose sum is σ = 87637766016. Its totient is φ = 43598668608.

The previous prime is 63741964681. The next prime is 63741964691. The reversal of 63741964685 is 58646914736.

It is a cyclic number.

It is not a de Polignac number, because 63741964685 - 2² = 63741964681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63741964681) 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 15 ways as a sum of consecutive naturals, for example, 2279807 + ... + 2307596.

It is an arithmetic number, because the mean of its divisors is an integer number (5477360376).

Almost surely, 2^63741964685 is an apocalyptic number.

It is an amenable number.

63741964685 is a deficient number, since it is larger than the sum of its proper divisors (23895801331).

63741964685 is a wasteful number, since it uses less digits than its factorization.

63741964685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587812.

The product of its digits is 26127360, while the sum is 59.

The spelling of 63741964685 in words is "sixty-three billion, seven hundred forty-one million, nine hundred sixty-four thousand, six hundred eighty-five".