3342782381 has 2 divisors, whose sum is σ = 3342782382. Its totient is φ = 3342782380.

The previous prime is 3342782351. The next prime is 3342782393. The reversal of 3342782381 is 1832872433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1939081225 + 1403701156 = 44035^2 + 37466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3342782381 is a prime.

It is a super-2 number, since 2×3342782381² = 22348388093448058322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3342782341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671391190 + 1671391191.

It is an arithmetic number, because the mean of its divisors is an integer number (1671391191).

Almost surely, 2^3342782381 is an apocalyptic number.

It is an amenable number.

3342782381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3342782381 is an equidigital number, since it uses as much as digits as its factorization.

3342782381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 3342782381 is about 57816.8001622366. The cubic root of 3342782381 is about 1495.2117507843.

The spelling of 3342782381 in words is "three billion, three hundred forty-two million, seven hundred eighty-two thousand, three hundred eighty-one".