63969488445 has 16 divisors (see below), whose sum is σ = 108371839680. Its totient is φ = 32110174464.

The previous prime is 63969488431. The next prime is 63969488449. The reversal of 63969488445 is 54488496936.

It is not a de Polignac number, because 63969488445 - 2⁸ = 63969488189 is a prime.

It is a super-3 number, since 3×63969488445³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63969488449) 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, 125430115 + ... + 125430624.

It is an arithmetic number, because the mean of its divisors is an integer number (6773239980).

Almost surely, 2^63969488445 is an apocalyptic number.

It is an amenable number.

63969488445 is a deficient number, since it is larger than the sum of its proper divisors (44402351235).

63969488445 is a wasteful number, since it uses less digits than its factorization.

63969488445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250860764.

The product of its digits is 179159040, while the sum is 66.

The spelling of 63969488445 in words is "sixty-three billion, nine hundred sixty-nine million, four hundred eighty-eight thousand, four hundred forty-five".