63980644233 has 8 divisors (see below), whose sum is σ = 93062755296. Its totient is φ = 38776148000.

The previous prime is 63980644229. The next prime is 63980644249. The reversal of 63980644233 is 33244608936.

It is a happy number.

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 63980644233 - 2² = 63980644229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63980644223) 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, 969403668 + ... + 969403733.

It is an arithmetic number, because the mean of its divisors is an integer number (11632844412).

Almost surely, 2^63980644233 is an apocalyptic number.

It is an amenable number.

63980644233 is a deficient number, since it is larger than the sum of its proper divisors (29082111063).

63980644233 is a wasteful number, since it uses less digits than its factorization.

63980644233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938807415.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 63980644233 in words is "sixty-three billion, nine hundred eighty million, six hundred forty-four thousand, two hundred thirty-three".