2654078489 has 2 divisors, whose sum is σ = 2654078490. Its totient is φ = 2654078488.

The previous prime is 2654078429. The next prime is 2654078501. The reversal of 2654078489 is 9848704562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2607838489 + 46240000 = 51067^2 + 6800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654078489 - 2²⁸ = 2385643033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2654078489.

It is not a weakly prime, because it can be changed into another prime (2654078419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327039244 + 1327039245.

It is an arithmetic number, because the mean of its divisors is an integer number (1327039245).

Almost surely, 2^2654078489 is an apocalyptic number.

It is an amenable number.

2654078489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2654078489 is an equidigital number, since it uses as much as digits as its factorization.

2654078489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 2654078489 is about 51517.7492617836. The cubic root of 2654078489 is about 1384.5370674548.

The spelling of 2654078489 in words is "two billion, six hundred fifty-four million, seventy-eight thousand, four hundred eighty-nine".