84221467313 has 2 divisors, whose sum is σ = 84221467314. Its totient is φ = 84221467312.

The previous prime is 84221467277. The next prime is 84221467387. The reversal of 84221467313 is 31376412248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74852582464 + 9368884849 = 273592^2 + 96793^2 .

It is a cyclic number.

It is not a de Polignac number, because 84221467313 - 2⁶ = 84221467249 is a prime.

It is not a weakly prime, because it can be changed into another prime (84221467013) 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, 42110733656 + 42110733657.

It is an arithmetic number, because the mean of its divisors is an integer number (42110733657).

Almost surely, 2^84221467313 is an apocalyptic number.

It is an amenable number.

84221467313 is a deficient number, since it is larger than the sum of its proper divisors (1).

84221467313 is an equidigital number, since it uses as much as digits as its factorization.

84221467313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The spelling of 84221467313 in words is "eighty-four billion, two hundred twenty-one million, four hundred sixty-seven thousand, three hundred thirteen".