3780705343 has 2 divisors, whose sum is σ = 3780705344. Its totient is φ = 3780705342.

The previous prime is 3780705323. The next prime is 3780705349. The reversal of 3780705343 is 3435070873.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3780705343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3780705296 and 3780705305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780705349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890352671 + 1890352672.

It is an arithmetic number, because the mean of its divisors is an integer number (1890352672).

Almost surely, 2^3780705343 is an apocalyptic number.

3780705343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780705343 is an equidigital number, since it uses as much as digits as its factorization.

3780705343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 3780705343 is about 61487.4405305669. The cubic root of 3780705343 is about 1557.8451157825.

The spelling of 3780705343 in words is "three billion, seven hundred eighty million, seven hundred five thousand, three hundred forty-three".