3297268981 has 2 divisors, whose sum is σ = 3297268982. Its totient is φ = 3297268980.

The previous prime is 3297268979. The next prime is 3297269021. The reversal of 3297268981 is 1898627923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3046046481 + 251222500 = 55191^2 + 15850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3297268981 - 2¹ = 3297268979 is a prime.

It is a super-2 number, since 2×3297268981² = 21743965466129556722, which contains 22 as substring.

Together with 3297268979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3297268921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1648634490 + 1648634491.

It is an arithmetic number, because the mean of its divisors is an integer number (1648634491).

Almost surely, 2^3297268981 is an apocalyptic number.

It is an amenable number.

3297268981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3297268981 is an equidigital number, since it uses as much as digits as its factorization.

3297268981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 3297268981 is about 57421.8510760494. The cubic root of 3297268981 is about 1488.3947369533.

The spelling of 3297268981 in words is "three billion, two hundred ninety-seven million, two hundred sixty-eight thousand, nine hundred eighty-one".