2078432459 has 2 divisors, whose sum is σ = 2078432460. Its totient is φ = 2078432458.

The previous prime is 2078432453. The next prime is 2078432509. The reversal of 2078432459 is 9542348702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2078432459 - 2²⁸ = 1809997003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2078432453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039216229 + 1039216230.

It is an arithmetic number, because the mean of its divisors is an integer number (1039216230).

Almost surely, 2^2078432459 is an apocalyptic number.

2078432459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078432459 is an equidigital number, since it uses as much as digits as its factorization.

2078432459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 2078432459 is about 45589.8284598659. The cubic root of 2078432459 is about 1276.1801113257.

The spelling of 2078432459 in words is "two billion, seventy-eight million, four hundred thirty-two thousand, four hundred fifty-nine".