63942421483 has 2 divisors, whose sum is σ = 63942421484. Its totient is φ = 63942421482.

The previous prime is 63942421471. The next prime is 63942421549. The reversal of 63942421483 is 38412424936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63942421483 - 2¹³ = 63942413291 is a prime.

It is not a weakly prime, because it can be changed into another prime (63942421883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31971210741 + 31971210742.

It is an arithmetic number, because the mean of its divisors is an integer number (31971210742).

Almost surely, 2^63942421483 is an apocalyptic number.

63942421483 is a deficient number, since it is larger than the sum of its proper divisors (1).

63942421483 is an equidigital number, since it uses as much as digits as its factorization.

63942421483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 46.

The spelling of 63942421483 in words is "sixty-three billion, nine hundred forty-two million, four hundred twenty-one thousand, four hundred eighty-three".