265140300244643 has 8 divisors (see below), whose sum is σ = 270822019527360. Its totient is φ = 259498174825000.

The previous prime is 265140300244613. The next prime is 265140300244681. The reversal of 265140300244643 is 346442003041562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265140300244643 - 2¹² = 265140300240547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265140300244594 and 265140300244603.

It is not an unprimeable number, because it can be changed into a prime (265140300244613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9898452233 + ... + 9898479018.

It is an arithmetic number, because the mean of its divisors is an integer number (33852752440920).

Almost surely, 2^{265140300244643} is an apocalyptic number.

265140300244643 is a deficient number, since it is larger than the sum of its proper divisors (5681719282717).

265140300244643 is a wasteful number, since it uses less digits than its factorization.

265140300244643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796931537.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 265140300244643 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred million, two hundred forty-four thousand, six hundred forty-three".