63689677941 has 8 divisors (see below), whose sum is σ = 86311694944. Its totient is φ = 41763723120.

The previous prime is 63689677937. The next prime is 63689677963. The reversal of 63689677941 is 14977698636.

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

It is not a de Polignac number, because 63689677941 - 2² = 63689677937 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 (63689677141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174015331 + ... + 174015696.

It is an arithmetic number, because the mean of its divisors is an integer number (10788961868).

Almost surely, 2^63689677941 is an apocalyptic number.

63689677941 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63689677941 is a deficient number, since it is larger than the sum of its proper divisors (22622017003).

63689677941 is a wasteful number, since it uses less digits than its factorization.

63689677941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348031091.

The product of its digits is 82301184, while the sum is 66.

The spelling of 63689677941 in words is "sixty-three billion, six hundred eighty-nine million, six hundred seventy-seven thousand, nine hundred forty-one".