63623706271 has 4 divisors (see below), whose sum is σ = 63624700944. Its totient is φ = 63622711600.

The previous prime is 63623706241. The next prime is 63623706287. The reversal of 63623706271 is 17260732636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63623706271 - 2⁷ = 63623706143 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 (63623706241) 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 3 ways as a sum of consecutive naturals, for example, 394270 + ... + 531691.

It is an arithmetic number, because the mean of its divisors is an integer number (15906175236).

Almost surely, 2^63623706271 is an apocalyptic number.

63623706271 is a deficient number, since it is larger than the sum of its proper divisors (994673).

63623706271 is an equidigital number, since it uses as much as digits as its factorization.

63623706271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994672.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 63623706271 in words is "sixty-three billion, six hundred twenty-three million, seven hundred six thousand, two hundred seventy-one".