265799359459 has 2 divisors, whose sum is σ = 265799359460. Its totient is φ = 265799359458.

The previous prime is 265799359433. The next prime is 265799359523. The reversal of 265799359459 is 954953997562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265799359459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265799359391 and 265799359400.

It is not a weakly prime, because it can be changed into another prime (265799359759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132899679729 + 132899679730.

It is an arithmetic number, because the mean of its divisors is an integer number (132899679730).

Almost surely, 2^265799359459 is an apocalyptic number.

265799359459 is a deficient number, since it is larger than the sum of its proper divisors (1).

265799359459 is an equidigital number, since it uses as much as digits as its factorization.

265799359459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686000, while the sum is 73.

The spelling of 265799359459 in words is "two hundred sixty-five billion, seven hundred ninety-nine million, three hundred fifty-nine thousand, four hundred fifty-nine".