64863203297 has 2 divisors, whose sum is σ = 64863203298. Its totient is φ = 64863203296.

The previous prime is 64863203281. The next prime is 64863203311. The reversal of 64863203297 is 79230236846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63647216656 + 1215986641 = 252284^2 + 34871^2 .

It is a cyclic number.

It is not a de Polignac number, because 64863203297 - 2⁴ = 64863203281 is a prime.

It is not a weakly prime, because it can be changed into another prime (64863209297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32431601648 + 32431601649.

It is an arithmetic number, because the mean of its divisors is an integer number (32431601649).

Almost surely, 2^64863203297 is an apocalyptic number.

It is an amenable number.

64863203297 is a deficient number, since it is larger than the sum of its proper divisors (1).

64863203297 is an equidigital number, since it uses as much as digits as its factorization.

64863203297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 64863203297 in words is "sixty-four billion, eight hundred sixty-three million, two hundred three thousand, two hundred ninety-seven".