63745982706 has 32 divisors (see below), whose sum is σ = 149258890368. Its totient is φ = 17768914560.

The previous prime is 63745982701. The next prime is 63745982719. The reversal of 63745982706 is 60728954736.

It is a super-2 number, since 2×63745982706² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63745982701) 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, 18507565 + ... + 18511008.

It is an arithmetic number, because the mean of its divisors is an integer number (4664340324).

Almost surely, 2^63745982706 is an apocalyptic number.

63745982706 is an abundant number, since it is smaller than the sum of its proper divisors (85512907662).

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

63745982706 is a wasteful number, since it uses less digits than its factorization.

63745982706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37018626.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 63745982706 in words is "sixty-three billion, seven hundred forty-five million, nine hundred eighty-two thousand, seven hundred six".