1383492091 has 2 divisors, whose sum is σ = 1383492092. Its totient is φ = 1383492090.

The previous prime is 1383492059. The next prime is 1383492107. The reversal of 1383492091 is 1902943831.

It is a strong prime.

It is an emirp because it is prime and its reverse (1902943831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383492091 - 2⁵ = 1383492059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383492791) 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, 691746045 + 691746046.

It is an arithmetic number, because the mean of its divisors is an integer number (691746046).

Almost surely, 2^1383492091 is an apocalyptic number.

1383492091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383492091 is an equidigital number, since it uses as much as digits as its factorization.

1383492091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1383492091 is about 37195.3235098177. The cubic root of 1383492091 is about 1114.2745899245.

The spelling of 1383492091 in words is "one billion, three hundred eighty-three million, four hundred ninety-two thousand, ninety-one".