347457045665 has 8 divisors (see below), whose sum is σ = 441474834600. Its totient is φ = 261614716672.

The previous prime is 347457045643. The next prime is 347457045667. The reversal of 347457045665 is 566540754743.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3677694736 + 343779350929 = 60644^2 + 586327^2 .

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 347457045665 - 2¹⁸ = 347456783521 is a prime.

It is a super-3 number, since 3×347457045665³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 347457045665.

It is not an unprimeable number, because it can be changed into a prime (347457045667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043864890 + ... + 2043865059.

It is an arithmetic number, because the mean of its divisors is an integer number (55184354325).

Almost surely, 2^347457045665 is an apocalyptic number.

It is an amenable number.

347457045665 is a deficient number, since it is larger than the sum of its proper divisors (94017788935).

347457045665 is a wasteful number, since it uses less digits than its factorization.

347457045665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087729971.

The product of its (nonzero) digits is 42336000, while the sum is 56.

The spelling of 347457045665 in words is "three hundred forty-seven billion, four hundred fifty-seven million, forty-five thousand, six hundred sixty-five".