265814015939 has 2 divisors, whose sum is σ = 265814015940. Its totient is φ = 265814015938.

The previous prime is 265814015927. The next prime is 265814015947. The reversal of 265814015939 is 939510418562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265814015939 is a prime.

It is not a weakly prime, because it can be changed into another prime (265814015989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132907007969 + 132907007970.

It is an arithmetic number, because the mean of its divisors is an integer number (132907007970).

Almost surely, 2^265814015939 is an apocalyptic number.

265814015939 is a deficient number, since it is larger than the sum of its proper divisors (1).

265814015939 is an equidigital number, since it uses as much as digits as its factorization.

265814015939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 265814015939 in words is "two hundred sixty-five billion, eight hundred fourteen million, fifteen thousand, nine hundred thirty-nine".