3678500446609 has 8 divisors (see below), whose sum is σ = 3690451843272. Its totient is φ = 3666550318080.

The previous prime is 3678500446591. The next prime is 3678500446613. The reversal of 3678500446609 is 9066440058763.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29884728384 + 3648615718225 = 172872^2 + 1910135^2 .

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 3678500446609 - 2⁹ = 3678500446097 is a prime.

It is a super-2 number, since 2×3678500446609² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678500446619) 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, 5677557 + ... + 6292189.

It is an arithmetic number, because the mean of its divisors is an integer number (461306480409).

Almost surely, 2^{3678500446609} is an apocalyptic number.

It is an amenable number.

3678500446609 is a deficient number, since it is larger than the sum of its proper divisors (11951396663).

3678500446609 is a wasteful number, since it uses less digits than its factorization.

3678500446609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634067.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 3678500446609 in words is "three trillion, six hundred seventy-eight billion, five hundred million, four hundred forty-six thousand, six hundred nine".