63970863173 has 8 divisors (see below), whose sum is σ = 73141797120. Its totient is φ = 54807989040.

The previous prime is 63970863109. The next prime is 63970863179. The reversal of 63970863173 is 37136807936.

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

It is not a de Polignac number, because 63970863173 - 2⁶ = 63970863109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63970863179) 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, 1997933 + ... + 2029698.

It is an arithmetic number, because the mean of its divisors is an integer number (9142724640).

Almost surely, 2^63970863173 is an apocalyptic number.

It is an amenable number.

63970863173 is a deficient number, since it is larger than the sum of its proper divisors (9170933947).

63970863173 is a wasteful number, since it uses less digits than its factorization.

63970863173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029907.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 63970863173 in words is "sixty-three billion, nine hundred seventy million, eight hundred sixty-three thousand, one hundred seventy-three".