260466439 has 2 divisors, whose sum is σ = 260466440. Its totient is φ = 260466438.

The previous prime is 260466407. The next prime is 260466443. The reversal of 260466439 is 934664062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260466439 - 2⁵ = 260466407 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260466499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130233219 + 130233220.

It is an arithmetic number, because the mean of its divisors is an integer number (130233220).

Almost surely, 2^260466439 is an apocalyptic number.

260466439 is a deficient number, since it is larger than the sum of its proper divisors (1).

260466439 is an equidigital number, since it uses as much as digits as its factorization.

260466439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 260466439 is about 16138.9726748638. The cubic root of 260466439 is about 638.6318748121.

The spelling of 260466439 in words is "two hundred sixty million, four hundred sixty-six thousand, four hundred thirty-nine".