1384564243 has 2 divisors, whose sum is σ = 1384564244. Its totient is φ = 1384564242.

The previous prime is 1384564231. The next prime is 1384564249. The reversal of 1384564243 is 3424654831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1384564243 - 2⁹ = 1384563731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1384564196 and 1384564205.

It is not a weakly prime, because it can be changed into another prime (1384564249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692282121 + 692282122.

It is an arithmetic number, because the mean of its divisors is an integer number (692282122).

Almost surely, 2^1384564243 is an apocalyptic number.

1384564243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384564243 is an equidigital number, since it uses as much as digits as its factorization.

1384564243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 40.

The square root of 1384564243 is about 37209.7331756088. The cubic root of 1384564243 is about 1114.5623552739.

The spelling of 1384564243 in words is "one billion, three hundred eighty-four million, five hundred sixty-four thousand, two hundred forty-three".