1383049873 has 2 divisors, whose sum is σ = 1383049874. Its totient is φ = 1383049872.

The previous prime is 1383049859. The next prime is 1383049883. The reversal of 1383049873 is 3789403831.

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., 740275264 + 642774609 = 27208^2 + 25353^2 .

It is an emirp because it is prime and its reverse (3789403831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383049873 - 2⁹ = 1383049361 is a prime.

It is a super-2 number, since 2×1383049873² = 3825653902410632258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1383049813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691524936 + 691524937.

It is an arithmetic number, because the mean of its divisors is an integer number (691524937).

Almost surely, 2^1383049873 is an apocalyptic number.

It is an amenable number.

1383049873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383049873 is an equidigital number, since it uses as much as digits as its factorization.

1383049873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1383049873 is about 37189.3784970924. The cubic root of 1383049873 is about 1114.1558554086.

The spelling of 1383049873 in words is "one billion, three hundred eighty-three million, forty-nine thousand, eight hundred seventy-three".