265140300243979 has 2 divisors, whose sum is σ = 265140300243980. Its totient is φ = 265140300243978.

The previous prime is 265140300243967. The next prime is 265140300244073. The reversal of 265140300243979 is 979342003041562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265140300243979 - 2¹³ = 265140300235787 is a prime.

It is not a weakly prime, because it can be changed into another prime (265140300243919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570150121989 + 132570150121990.

It is an arithmetic number, because the mean of its divisors is an integer number (132570150121990).

Almost surely, 2^{265140300243979} is an apocalyptic number.

265140300243979 is a deficient number, since it is larger than the sum of its proper divisors (1).

265140300243979 is an equidigital number, since it uses as much as digits as its factorization.

265140300243979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 265140300243979 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred million, two hundred forty-three thousand, nine hundred seventy-nine".