63973017273 has 8 divisors (see below), whose sum is σ = 93051661536. Its totient is φ = 38771525600.

The previous prime is 63973017253. The next prime is 63973017287. The reversal of 63973017273 is 37271037936.

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

It is a cyclic number.

It is not a de Polignac number, because 63973017273 - 2¹³ = 63973009081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63973017253) 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, 969288108 + ... + 969288173.

It is an arithmetic number, because the mean of its divisors is an integer number (11631457692).

Almost surely, 2^63973017273 is an apocalyptic number.

It is an amenable number.

63973017273 is a deficient number, since it is larger than the sum of its proper divisors (29078644263).

63973017273 is a wasteful number, since it uses less digits than its factorization.

63973017273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938576295.

The product of its (nonzero) digits is 1000188, while the sum is 48.

The spelling of 63973017273 in words is "sixty-three billion, nine hundred seventy-three million, seventeen thousand, two hundred seventy-three".