84339800513 has 2 divisors, whose sum is σ = 84339800514. Its totient is φ = 84339800512.

The previous prime is 84339800497. The next prime is 84339800521. The reversal of 84339800513 is 31500893348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44847379984 + 39492420529 = 211772^2 + 198727^2 .

It is a cyclic number.

It is not a de Polignac number, because 84339800513 - 2⁴ = 84339800497 is a prime.

It is a super-2 number, since 2×84339800513² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84339800593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42169900256 + 42169900257.

It is an arithmetic number, because the mean of its divisors is an integer number (42169900257).

Almost surely, 2^84339800513 is an apocalyptic number.

It is an amenable number.

84339800513 is a deficient number, since it is larger than the sum of its proper divisors (1).

84339800513 is an equidigital number, since it uses as much as digits as its factorization.

84339800513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 84339800513 in words is "eighty-four billion, three hundred thirty-nine million, eight hundred thousand, five hundred thirteen".