3343945481 has 2 divisors, whose sum is σ = 3343945482. Its totient is φ = 3343945480.

The previous prime is 3343945453. The next prime is 3343945487. The reversal of 3343945481 is 1845493433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2589893881 + 754051600 = 50891^2 + 27460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3343945481 is a prime.

It is a super-2 number, since 2×3343945481² = 22363942759800642722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3343945487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671972740 + 1671972741.

It is an arithmetic number, because the mean of its divisors is an integer number (1671972741).

Almost surely, 2^3343945481 is an apocalyptic number.

It is an amenable number.

3343945481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3343945481 is an equidigital number, since it uses as much as digits as its factorization.

3343945481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 3343945481 is about 57826.8577825218. The cubic root of 3343945481 is about 1495.3851471677.

The spelling of 3343945481 in words is "three billion, three hundred forty-three million, nine hundred forty-five thousand, four hundred eighty-one".