63394308424387 has 2 divisors, whose sum is σ = 63394308424388. Its totient is φ = 63394308424386.

The previous prime is 63394308424357. The next prime is 63394308424393. The reversal of 63394308424387 is 78342480349336.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63394308424387 is a prime.

It is not a weakly prime, because it can be changed into another prime (63394308424357) 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 as a sum of consecutive naturals, namely, 31697154212193 + 31697154212194.

It is an arithmetic number, because the mean of its divisors is an integer number (31697154212194).

Almost surely, 2^{63394308424387} is an apocalyptic number.

63394308424387 is a deficient number, since it is larger than the sum of its proper divisors (1).

63394308424387 is an equidigital number, since it uses as much as digits as its factorization.

63394308424387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250822656, while the sum is 64.

The spelling of 63394308424387 in words is "sixty-three trillion, three hundred ninety-four billion, three hundred eight million, four hundred twenty-four thousand, three hundred eighty-seven".