1383282581749 has 2 divisors, whose sum is σ = 1383282581750. Its totient is φ = 1383282581748.

The previous prime is 1383282581651. The next prime is 1383282581753. The reversal of 1383282581749 is 9471852823831.

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., 1055125459249 + 328157122500 = 1027193^2 + 572850^2 .

It is an emirp because it is prime and its reverse (9471852823831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383282581749 - 2¹⁷ = 1383282450677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383282582749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691641290874 + 691641290875.

It is an arithmetic number, because the mean of its divisors is an integer number (691641290875).

Almost surely, 2^{1383282581749} is an apocalyptic number.

It is an amenable number.

1383282581749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383282581749 is an equidigital number, since it uses as much as digits as its factorization.

1383282581749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 61.

The spelling of 1383282581749 in words is "one trillion, three hundred eighty-three billion, two hundred eighty-two million, five hundred eighty-one thousand, seven hundred forty-nine".