64853824304413 has 2 divisors, whose sum is σ = 64853824304414. Its totient is φ = 64853824304412.

The previous prime is 64853824304383. The next prime is 64853824304543. The reversal of 64853824304413 is 31440342835846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64844318444409 + 9505860004 = 8052597^2 + 97498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64853824304413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64853824307413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32426912152206 + 32426912152207.

It is an arithmetic number, because the mean of its divisors is an integer number (32426912152207).

Almost surely, 2^{64853824304413} is an apocalyptic number.

It is an amenable number.

64853824304413 is a deficient number, since it is larger than the sum of its proper divisors (1).

64853824304413 is an equidigital number, since it uses as much as digits as its factorization.

64853824304413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26542080, while the sum is 55.

The spelling of 64853824304413 in words is "sixty-four trillion, eight hundred fifty-three billion, eight hundred twenty-four million, three hundred four thousand, four hundred thirteen".