8845555493 has 2 divisors, whose sum is σ = 8845555494. Its totient is φ = 8845555492.

The previous prime is 8845555483. The next prime is 8845555513. The reversal of 8845555493 is 3945555488.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6168217444 + 2677338049 = 78538^2 + 51743^2 .

It is a cyclic number.

It is not a de Polignac number, because 8845555493 - 2²² = 8841361189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8845555423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4422777746 + 4422777747.

It is an arithmetic number, because the mean of its divisors is an integer number (4422777747).

Almost surely, 2^8845555493 is an apocalyptic number.

It is an amenable number.

8845555493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8845555493 is an equidigital number, since it uses as much as digits as its factorization.

8845555493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280000, while the sum is 56.

The square root of 8845555493 is about 94050.8133563979. The cubic root of 8845555493 is about 2068.1166789924.

The spelling of 8845555493 in words is "eight billion, eight hundred forty-five million, five hundred fifty-five thousand, four hundred ninety-three".