63686406014 has 288 divisors, whose sum is σ = 136929139200. Its totient is φ = 21654864000.

The previous prime is 63686406011. The next prime is 63686406019. The reversal of 63686406014 is 41060468636.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63686406011) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 896991599 + ... + 896991669.

It is an arithmetic number, because the mean of its divisors is an integer number (475448400).

Almost surely, 2^63686406014 is an apocalyptic number.

63686406014 is an abundant number, since it is smaller than the sum of its proper divisors (73242733186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63686406014 is a wasteful number, since it uses less digits than its factorization.

63686406014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 63686406014 in words is "sixty-three billion, six hundred eighty-six million, four hundred six thousand, fourteen".