260376385991 has 2 divisors, whose sum is σ = 260376385992. Its totient is φ = 260376385990.

The previous prime is 260376385987. The next prime is 260376386009. The reversal of 260376385991 is 199583673062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260376385991 - 2² = 260376385987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260376385991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260376325991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130188192995 + 130188192996.

It is an arithmetic number, because the mean of its divisors is an integer number (130188192996).

Almost surely, 2^260376385991 is an apocalyptic number.

260376385991 is a deficient number, since it is larger than the sum of its proper divisors (1).

260376385991 is an equidigital number, since it uses as much as digits as its factorization.

260376385991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 260376385991 in words is "two hundred sixty billion, three hundred seventy-six million, three hundred eighty-five thousand, nine hundred ninety-one".