63938830973 has 8 divisors (see below), whose sum is σ = 65369566080. Its totient is φ = 62511026560.

The previous prime is 63938830939. The next prime is 63938831023. The reversal of 63938830973 is 37903883936.

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 63938830973 - 2⁸ = 63938830717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63938830073) 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 7 ways as a sum of consecutive naturals, for example, 688523 + ... + 775848.

It is an arithmetic number, because the mean of its divisors is an integer number (8171195760).

Almost surely, 2^63938830973 is an apocalyptic number.

It is an amenable number.

63938830973 is a deficient number, since it is larger than the sum of its proper divisors (1430735107).

63938830973 is a wasteful number, since it uses less digits than its factorization.

63938830973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465347.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 63938830973 in words is "sixty-three billion, nine hundred thirty-eight million, eight hundred thirty thousand, nine hundred seventy-three".