1384378711 has 2 divisors, whose sum is σ = 1384378712. Its totient is φ = 1384378710.

The previous prime is 1384378673. The next prime is 1384378727. The reversal of 1384378711 is 1178734831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1384378711 - 2²³ = 1375990103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1384378781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692189355 + 692189356.

It is an arithmetic number, because the mean of its divisors is an integer number (692189356).

Almost surely, 2^1384378711 is an apocalyptic number.

1384378711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384378711 is an equidigital number, since it uses as much as digits as its factorization.

1384378711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 1384378711 is about 37207.2400347029. The cubic root of 1384378711 is about 1114.5125691598.

The spelling of 1384378711 in words is "one billion, three hundred eighty-four million, three hundred seventy-eight thousand, seven hundred eleven".