2455555789 has 2 divisors, whose sum is σ = 2455555790. Its totient is φ = 2455555788.

The previous prime is 2455555777. The next prime is 2455555799. The reversal of 2455555789 is 9875555542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2296038889 + 159516900 = 47917^2 + 12630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455555789 - 2¹⁷ = 2455424717 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2455555709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227777894 + 1227777895.

It is an arithmetic number, because the mean of its divisors is an integer number (1227777895).

Almost surely, 2^2455555789 is an apocalyptic number.

It is an amenable number.

2455555789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455555789 is an equidigital number, since it uses as much as digits as its factorization.

2455555789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600000, while the sum is 55.

The square root of 2455555789 is about 49553.5648465375. The cubic root of 2455555789 is about 1349.1179952556.

The spelling of 2455555789 in words is "two billion, four hundred fifty-five million, five hundred fifty-five thousand, seven hundred eighty-nine".