260440460393 has 2 divisors, whose sum is σ = 260440460394. Its totient is φ = 260440460392.

The previous prime is 260440460389. The next prime is 260440460453. The reversal of 260440460393 is 393064044062.

260440460393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257199093904 + 3241366489 = 507148^2 + 56933^2 .

It is a cyclic number.

It is not a de Polignac number, because 260440460393 - 2² = 260440460389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260440460393.

It is not a weakly prime, because it can be changed into another prime (260440460383) 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, 130220230196 + 130220230197.

It is an arithmetic number, because the mean of its divisors is an integer number (130220230197).

Almost surely, 2^260440460393 is an apocalyptic number.

It is an amenable number.

260440460393 is a deficient number, since it is larger than the sum of its proper divisors (1).

260440460393 is an equidigital number, since it uses as much as digits as its factorization.

260440460393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 260440460393 in words is "two hundred sixty billion, four hundred forty million, four hundred sixty thousand, three hundred ninety-three".