1382329943 has 2 divisors, whose sum is σ = 1382329944. Its totient is φ = 1382329942.

The previous prime is 1382329931. The next prime is 1382329957. The reversal of 1382329943 is 3499232831.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382329943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1382329894 and 1382329903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382329843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691164971 + 691164972.

It is an arithmetic number, because the mean of its divisors is an integer number (691164972).

Almost surely, 2^1382329943 is an apocalyptic number.

1382329943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382329943 is an equidigital number, since it uses as much as digits as its factorization.

1382329943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 1382329943 is about 37179.6979950080. The cubic root of 1382329943 is about 1113.9625017058.

The spelling of 1382329943 in words is "one billion, three hundred eighty-two million, three hundred twenty-nine thousand, nine hundred forty-three".