3326716645649 has 4 divisors (see below), whose sum is σ = 3501806995440. Its totient is φ = 3151626295860.

The previous prime is 3326716645643. The next prime is 3326716645663. The reversal of 3326716645649 is 9465466176233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3326716645649 - 2⁸ = 3326716645393 is a prime.

It is a super-2 number, since 2×3326716645649² (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 = 3326716645591 and 3326716645600.

It is not an unprimeable number, because it can be changed into a prime (3326716645643) 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, 87545174867 + ... + 87545174904.

It is an arithmetic number, because the mean of its divisors is an integer number (875451748860).

Almost surely, 2^{3326716645649} is an apocalyptic number.

It is an amenable number.

3326716645649 is a deficient number, since it is larger than the sum of its proper divisors (175090349791).

3326716645649 is a wasteful number, since it uses less digits than its factorization.

3326716645649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175090349790.

The product of its digits is 117573120, while the sum is 62.

The spelling of 3326716645649 in words is "three trillion, three hundred twenty-six billion, seven hundred sixteen million, six hundred forty-five thousand, six hundred forty-nine".