64864743118361 has 2 divisors, whose sum is σ = 64864743118362. Its totient is φ = 64864743118360.

The previous prime is 64864743118267. The next prime is 64864743118367. The reversal of 64864743118361 is 16381134746846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45981025226761 + 18883717891600 = 6780931^2 + 4345540^2 .

It is a cyclic number.

It is not a de Polignac number, because 64864743118361 - 2¹⁰ = 64864743117337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64864743118294 and 64864743118303.

It is not a weakly prime, because it can be changed into another prime (64864743118367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32432371559180 + 32432371559181.

It is an arithmetic number, because the mean of its divisors is an integer number (32432371559181).

Almost surely, 2^{64864743118361} is an apocalyptic number.

It is an amenable number.

64864743118361 is a deficient number, since it is larger than the sum of its proper divisors (1).

64864743118361 is an equidigital number, since it uses as much as digits as its factorization.

64864743118361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 62.

The spelling of 64864743118361 in words is "sixty-four trillion, eight hundred sixty-four billion, seven hundred forty-three million, one hundred eighteen thousand, three hundred sixty-one".