63426347 has 2 divisors, whose sum is σ = 63426348. Its totient is φ = 63426346.

The previous prime is 63426343. The next prime is 63426353. The reversal of 63426347 is 74362436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63426347 - 2² = 63426343 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63426343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31713173 + 31713174.

It is an arithmetic number, because the mean of its divisors is an integer number (31713174).

Almost surely, 2^63426347 is an apocalyptic number.

63426347 is a deficient number, since it is larger than the sum of its proper divisors (1).

63426347 is an equidigital number, since it uses as much as digits as its factorization.

63426347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

The square root of 63426347 is about 7964.0659841566. The cubic root of 63426347 is about 398.8013009732.

The spelling of 63426347 in words is "sixty-three million, four hundred twenty-six thousand, three hundred forty-seven".