63266426647 has 2 divisors, whose sum is σ = 63266426648. Its totient is φ = 63266426646.

The previous prime is 63266426633. The next prime is 63266426659. The reversal of 63266426647 is 74662466236.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63266426647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63266426594 and 63266426603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63266426617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31633213323 + 31633213324.

It is an arithmetic number, because the mean of its divisors is an integer number (31633213324).

Almost surely, 2^63266426647 is an apocalyptic number.

63266426647 is a deficient number, since it is larger than the sum of its proper divisors (1).

63266426647 is an equidigital number, since it uses as much as digits as its factorization.

63266426647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 52.

The spelling of 63266426647 in words is "sixty-three billion, two hundred sixty-six million, four hundred twenty-six thousand, six hundred forty-seven".