3206447662361 has 2 divisors, whose sum is σ = 3206447662362. Its totient is φ = 3206447662360.

The previous prime is 3206447662349. The next prime is 3206447662541. The reversal of 3206447662361 is 1632667446023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835534522761 + 1370913139600 = 1354819^2 + 1170860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3206447662361 is a prime.

It is a super-2 number, since 2×3206447662361² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3206447662331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603223831180 + 1603223831181.

It is an arithmetic number, because the mean of its divisors is an integer number (1603223831181).

Almost surely, 2^{3206447662361} is an apocalyptic number.

It is an amenable number.

3206447662361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3206447662361 is an equidigital number, since it uses as much as digits as its factorization.

3206447662361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 50.

The spelling of 3206447662361 in words is "three trillion, two hundred six billion, four hundred forty-seven million, six hundred sixty-two thousand, three hundred sixty-one".