1383151489 has 2 divisors, whose sum is σ = 1383151490. Its totient is φ = 1383151488.

The previous prime is 1383151487. The next prime is 1383151507. The reversal of 1383151489 is 9841513831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037935089 + 345216400 = 32217^2 + 18580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383151489 - 2¹ = 1383151487 is a prime.

Together with 1383151487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1383151487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691575744 + 691575745.

It is an arithmetic number, because the mean of its divisors is an integer number (691575745).

Almost surely, 2^1383151489 is an apocalyptic number.

It is an amenable number.

1383151489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383151489 is an equidigital number, since it uses as much as digits as its factorization.

1383151489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 1383151489 is about 37190.7446685328. The cubic root of 1383151489 is about 1114.1831413103.

The spelling of 1383151489 in words is "one billion, three hundred eighty-three million, one hundred fifty-one thousand, four hundred eighty-nine".