63266426643 has 32 divisors (see below), whose sum is σ = 96794818560. Its totient is φ = 36006727680.

The previous prime is 63266426633. The next prime is 63266426647. The reversal of 63266426643 is 34662466236.

It is not a de Polignac number, because 63266426643 - 2⁶ = 63266426579 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63266426592 and 63266426601.

It is not an unprimeable number, because it can be changed into a prime (63266426647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5578803 + ... + 5590131.

It is an arithmetic number, because the mean of its divisors is an integer number (3024838080).

Almost surely, 2^63266426643 is an apocalyptic number.

63266426643 is a deficient number, since it is larger than the sum of its proper divisors (33528391917).

63266426643 is a wasteful number, since it uses less digits than its factorization.

63266426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387.

The product of its digits is 4478976, while the sum is 48.

The spelling of 63266426643 in words is "sixty-three billion, two hundred sixty-six million, four hundred twenty-six thousand, six hundred forty-three".