8484798254789 has 2 divisors, whose sum is σ = 8484798254790. Its totient is φ = 8484798254788.

The previous prime is 8484798254773. The next prime is 8484798254809. The reversal of 8484798254789 is 9874528974848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5027214201025 + 3457584053764 = 2242145^2 + 1859458^2 .

It is a cyclic number.

It is not a de Polignac number, because 8484798254789 - 2⁴ = 8484798254773 is a prime.

It is a super-2 number, since 2×8484798254789² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8484798254719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4242399127394 + 4242399127395.

It is an arithmetic number, because the mean of its divisors is an integer number (4242399127395).

Almost surely, 2^{8484798254789} is an apocalyptic number.

It is an amenable number.

8484798254789 is a deficient number, since it is larger than the sum of its proper divisors (1).

8484798254789 is an equidigital number, since it uses as much as digits as its factorization.

8484798254789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10404495360, while the sum is 83.

The spelling of 8484798254789 in words is "eight trillion, four hundred eighty-four billion, seven hundred ninety-eight million, two hundred fifty-four thousand, seven hundred eighty-nine".