378733343 has 2 divisors, whose sum is σ = 378733344. Its totient is φ = 378733342.

The previous prime is 378733337. The next prime is 378733351. The reversal of 378733343 is 343337873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378733343 - 2⁶ = 378733279 is a prime.

It is a super-3 number, since 3×378733343³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378733343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378733363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189366671 + 189366672.

It is an arithmetic number, because the mean of its divisors is an integer number (189366672).

Almost surely, 2^378733343 is an apocalyptic number.

378733343 is a deficient number, since it is larger than the sum of its proper divisors (1).

378733343 is an equidigital number, since it uses as much as digits as its factorization.

378733343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 41.

The square root of 378733343 is about 19461.0725038473. The cubic root of 378733343 is about 723.5099594628.

The spelling of 378733343 in words is "three hundred seventy-eight million, seven hundred thirty-three thousand, three hundred forty-three".