84630040996321 has 2 divisors, whose sum is σ = 84630040996322. Its totient is φ = 84630040996320.

The previous prime is 84630040996313. The next prime is 84630040996357. The reversal of 84630040996321 is 12369904003648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82136518926400 + 2493522069921 = 9062920^2 + 1579089^2 .

It is a cyclic number.

It is not a de Polignac number, because 84630040996321 - 2³ = 84630040996313 is a prime.

It is not a weakly prime, because it can be changed into another prime (84630040996421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42315020498160 + 42315020498161.

It is an arithmetic number, because the mean of its divisors is an integer number (42315020498161).

Almost surely, 2^{84630040996321} is an apocalyptic number.

It is an amenable number.

84630040996321 is a deficient number, since it is larger than the sum of its proper divisors (1).

84630040996321 is an equidigital number, since it uses as much as digits as its factorization.

84630040996321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 55.

Adding to 84630040996321 its reverse (12369904003648), we get a palindrome (96999944999969).

The spelling of 84630040996321 in words is "eighty-four trillion, six hundred thirty billion, forty million, nine hundred ninety-six thousand, three hundred twenty-one".