260263555373 has 2 divisors, whose sum is σ = 260263555374. Its totient is φ = 260263555372.

The previous prime is 260263555369. The next prime is 260263555393. The reversal of 260263555373 is 373555362062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242839027369 + 17424528004 = 492787^2 + 132002^2 .

It is a cyclic number.

It is not a de Polignac number, because 260263555373 - 2² = 260263555369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260263555393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130131777686 + 130131777687.

It is an arithmetic number, because the mean of its divisors is an integer number (130131777687).

Almost surely, 2^260263555373 is an apocalyptic number.

It is an amenable number.

260263555373 is a deficient number, since it is larger than the sum of its proper divisors (1).

260263555373 is an equidigital number, since it uses as much as digits as its factorization.

260263555373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402000, while the sum is 47.

The spelling of 260263555373 in words is "two hundred sixty billion, two hundred sixty-three million, five hundred fifty-five thousand, three hundred seventy-three".