260213351311993 has 2 divisors, whose sum is σ = 260213351311994. Its totient is φ = 260213351311992.

The previous prime is 260213351311973. The next prime is 260213351312039. The reversal of 260213351311993 is 399113153312062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228955725226089 + 31257626085904 = 15131283^2 + 5590852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260213351311993 is a prime.

It is not a weakly prime, because it can be changed into another prime (260213351311943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130106675655996 + 130106675655997.

It is an arithmetic number, because the mean of its divisors is an integer number (130106675655997).

Almost surely, 2^{260213351311993} is an apocalyptic number.

It is an amenable number.

260213351311993 is a deficient number, since it is larger than the sum of its proper divisors (1).

260213351311993 is an equidigital number, since it uses as much as digits as its factorization.

260213351311993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 49.

The spelling of 260213351311993 in words is "two hundred sixty trillion, two hundred thirteen billion, three hundred fifty-one million, three hundred eleven thousand, nine hundred ninety-three".