84993357945533 has 2 divisors, whose sum is σ = 84993357945534. Its totient is φ = 84993357945532.

The previous prime is 84993357945511. The next prime is 84993357945557. The reversal of 84993357945533 is 33554975339948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44147479943449 + 40845878002084 = 6644357^2 + 6391078^2 .

It is a cyclic number.

It is not a de Polignac number, because 84993357945533 - 2¹⁸ = 84993357683389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84993357045533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42496678972766 + 42496678972767.

It is an arithmetic number, because the mean of its divisors is an integer number (42496678972767).

Almost surely, 2^{84993357945533} is an apocalyptic number.

It is an amenable number.

84993357945533 is a deficient number, since it is larger than the sum of its proper divisors (1).

84993357945533 is an equidigital number, since it uses as much as digits as its factorization.

84993357945533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488000, while the sum is 77.

The spelling of 84993357945533 in words is "eighty-four trillion, nine hundred ninety-three billion, three hundred fifty-seven million, nine hundred forty-five thousand, five hundred thirty-three".