3276427381 has 2 divisors, whose sum is σ = 3276427382. Its totient is φ = 3276427380.

The previous prime is 3276427373. The next prime is 3276427439. The reversal of 3276427381 is 1837246723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3270810481 + 5616900 = 57191^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 3276427381 - 2³ = 3276427373 is a prime.

It is a super-2 number, since 2×3276427381² = 21469952765933038322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3276427321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638213690 + 1638213691.

It is an arithmetic number, because the mean of its divisors is an integer number (1638213691).

Almost surely, 2^3276427381 is an apocalyptic number.

It is an amenable number.

3276427381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3276427381 is an equidigital number, since it uses as much as digits as its factorization.

3276427381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 3276427381 is about 57240.0854384408. The cubic root of 3276427381 is about 1485.2521243553.

The spelling of 3276427381 in words is "three billion, two hundred seventy-six million, four hundred twenty-seven thousand, three hundred eighty-one".