63841202840993 has 2 divisors, whose sum is σ = 63841202840994. Its totient is φ = 63841202840992.

The previous prime is 63841202840971. The next prime is 63841202841083. The reversal of 63841202840993 is 39904820214836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42433850572129 + 21407352268864 = 6514127^2 + 4626808^2 .

It is a cyclic number.

It is not a de Polignac number, because 63841202840993 - 2¹⁶ = 63841202775457 is a prime.

It is not a weakly prime, because it can be changed into another prime (63841202810993) 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, 31920601420496 + 31920601420497.

It is an arithmetic number, because the mean of its divisors is an integer number (31920601420497).

Almost surely, 2^{63841202840993} is an apocalyptic number.

It is an amenable number.

63841202840993 is a deficient number, since it is larger than the sum of its proper divisors (1).

63841202840993 is an equidigital number, since it uses as much as digits as its factorization.

63841202840993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 63841202840993 in words is "sixty-three trillion, eight hundred forty-one billion, two hundred two million, eight hundred forty thousand, nine hundred ninety-three".