1383481933 has 2 divisors, whose sum is σ = 1383481934. Its totient is φ = 1383481932.

The previous prime is 1383481921. The next prime is 1383481937. The reversal of 1383481933 is 3391843831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205339524 + 178142409 = 34718^2 + 13347^2 .

It is an emirp because it is prime and its reverse (3391843831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383481933 - 2¹⁷ = 1383350861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1383481933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383481937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691740966 + 691740967.

It is an arithmetic number, because the mean of its divisors is an integer number (691740967).

Almost surely, 2^1383481933 is an apocalyptic number.

It is an amenable number.

1383481933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383481933 is an equidigital number, since it uses as much as digits as its factorization.

1383481933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 1383481933 is about 37195.1869601431. The cubic root of 1383481933 is about 1114.2718628088.

The spelling of 1383481933 in words is "one billion, three hundred eighty-three million, four hundred eighty-one thousand, nine hundred thirty-three".