63709971068670 has 16 divisors (see below), whose sum is σ = 152903930564880. Its totient is φ = 16989325618304.

The previous prime is 63709971068663. The next prime is 63709971068683. The reversal of 63709971068670 is 7686017990736.

It is a junction number, because it is equal to n+sod(n) for n = 63709971068595 and 63709971068604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061832851115 + ... + 1061832851174.

It is an arithmetic number, because the mean of its divisors is an integer number (9556495660305).

Almost surely, 2^{63709971068670} is an apocalyptic number.

63709971068670 is an abundant number, since it is smaller than the sum of its proper divisors (89193959496210).

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

63709971068670 is a wasteful number, since it uses less digits than its factorization.

63709971068670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123665702299.

The product of its (nonzero) digits is 144027072, while the sum is 69.

The spelling of 63709971068670 in words is "sixty-three trillion, seven hundred nine billion, nine hundred seventy-one million, sixty-eight thousand, six hundred seventy".