3297439296649 has 4 divisors (see below), whose sum is σ = 3298813804800. Its totient is φ = 3296064788500.

The previous prime is 3297439296647. The next prime is 3297439296677. The reversal of 3297439296649 is 9466929347923.

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 3297439296649 - 2¹ = 3297439296647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3297439296647) 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, 687250477 + ... + 687255274.

It is an arithmetic number, because the mean of its divisors is an integer number (824703451200).

Almost surely, 2^{3297439296649} is an apocalyptic number.

It is an amenable number.

3297439296649 is a deficient number, since it is larger than the sum of its proper divisors (1374508151).

3297439296649 is a wasteful number, since it uses less digits than its factorization.

3297439296649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374508150.

The product of its digits is 952342272, while the sum is 73.

The spelling of 3297439296649 in words is "three trillion, two hundred ninety-seven billion, four hundred thirty-nine million, two hundred ninety-six thousand, six hundred forty-nine".