2758428289 has 2 divisors, whose sum is σ = 2758428290. Its totient is φ = 2758428288.

The previous prime is 2758428241. The next prime is 2758428311. The reversal of 2758428289 is 9828248572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712552689 + 1045875600 = 41383^2 + 32340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2758428289 - 2⁷ = 2758428161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2758428689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379214144 + 1379214145.

It is an arithmetic number, because the mean of its divisors is an integer number (1379214145).

Almost surely, 2^2758428289 is an apocalyptic number.

It is an amenable number.

2758428289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758428289 is an equidigital number, since it uses as much as digits as its factorization.

2758428289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 55.

The square root of 2758428289 is about 52520.7415122826. The cubic root of 2758428289 is about 1402.4495023882.

The spelling of 2758428289 in words is "two billion, seven hundred fifty-eight million, four hundred twenty-eight thousand, two hundred eighty-nine".