265789736963 has 2 divisors, whose sum is σ = 265789736964. Its totient is φ = 265789736962.

The previous prime is 265789736903. The next prime is 265789736999. The reversal of 265789736963 is 369637987562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265789736963 - 2¹² = 265789732867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (265789736903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132894868481 + 132894868482.

It is an arithmetic number, because the mean of its divisors is an integer number (132894868482).

Almost surely, 2^265789736963 is an apocalyptic number.

265789736963 is a deficient number, since it is larger than the sum of its proper divisors (1).

265789736963 is an equidigital number, since it uses as much as digits as its factorization.

265789736963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617258880, while the sum is 71.

The spelling of 265789736963 in words is "two hundred sixty-five billion, seven hundred eighty-nine million, seven hundred thirty-six thousand, nine hundred sixty-three".