2089278463 has 2 divisors, whose sum is σ = 2089278464. Its totient is φ = 2089278462.

The previous prime is 2089278421. The next prime is 2089278467. The reversal of 2089278463 is 3648729802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2089278463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089278467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044639231 + 1044639232.

It is an arithmetic number, because the mean of its divisors is an integer number (1044639232).

Almost surely, 2^2089278463 is an apocalyptic number.

2089278463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089278463 is an equidigital number, since it uses as much as digits as its factorization.

2089278463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 2089278463 is about 45708.6256958137. The cubic root of 2089278463 is about 1278.3961159140.

The spelling of 2089278463 in words is "two billion, eighty-nine million, two hundred seventy-eight thousand, four hundred sixty-three".