84434388052253 has 2 divisors, whose sum is σ = 84434388052254. Its totient is φ = 84434388052252.

The previous prime is 84434388052247. The next prime is 84434388052319. The reversal of 84434388052253 is 35225088343448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83190944502649 + 1243443549604 = 9120907^2 + 1115098^2 .

It is a cyclic number.

It is not a de Polignac number, because 84434388052253 - 2¹⁴ = 84434388035869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84434388052192 and 84434388052201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84434388052243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42217194026126 + 42217194026127.

It is an arithmetic number, because the mean of its divisors is an integer number (42217194026127).

Almost surely, 2^{84434388052253} is an apocalyptic number.

It is an amenable number.

84434388052253 is a deficient number, since it is larger than the sum of its proper divisors (1).

84434388052253 is an equidigital number, since it uses as much as digits as its factorization.

84434388052253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88473600, while the sum is 59.

The spelling of 84434388052253 in words is "eighty-four trillion, four hundred thirty-four billion, three hundred eighty-eight million, fifty-two thousand, two hundred fifty-three".