3480861865469 has 4 divisors (see below), whose sum is σ = 3528544904796. Its totient is φ = 3433178826144.

The previous prime is 3480861865417. The next prime is 3480861865477. The reversal of 3480861865469 is 9645681680843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 611015805625 + 2869846059844 = 781675^2 + 1694062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3480861865469 is a prime.

It is a super-2 number, since 2×3480861865469² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3480861865399 and 3480861865408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480861865069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23841519554 + ... + 23841519699.

It is an arithmetic number, because the mean of its divisors is an integer number (882136226199).

Almost surely, 2^{3480861865469} is an apocalyptic number.

It is an amenable number.

3480861865469 is a deficient number, since it is larger than the sum of its proper divisors (47683039327).

3480861865469 is an equidigital number, since it uses as much as digits as its factorization.

3480861865469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47683039326.

The product of its (nonzero) digits is 238878720, while the sum is 68.

The spelling of 3480861865469 in words is "three trillion, four hundred eighty billion, eight hundred sixty-one million, eight hundred sixty-five thousand, four hundred sixty-nine".