320434969765 has 8 divisors (see below), whose sum is σ = 385910131320. Its totient is φ = 255422530752.

The previous prime is 320434969741. The next prime is 320434969781. The reversal of 320434969765 is 567969434023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8425587681 + 312009382084 = 91791^2 + 558578^2 .

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 320434969765 - 2¹⁷ = 320434838693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115679110 + ... + 115681879.

It is an arithmetic number, because the mean of its divisors is an integer number (48238766415).

Almost surely, 2^320434969765 is an apocalyptic number.

It is an amenable number.

320434969765 is a deficient number, since it is larger than the sum of its proper divisors (65475161555).

320434969765 is a wasteful number, since it uses less digits than its factorization.

320434969765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231361271.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 320434969765 in words is "three hundred twenty billion, four hundred thirty-four million, nine hundred sixty-nine thousand, seven hundred sixty-five".