12083938409 has 2 divisors, whose sum is σ = 12083938410. Its totient is φ = 12083938408.

The previous prime is 12083938403. The next prime is 12083938429. The reversal of 12083938409 is 90483938021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10454040025 + 1629898384 = 102245^2 + 40372^2 .

It is an emirp because it is prime and its reverse (90483938021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12083938409 - 2⁴ = 12083938393 is a prime.

It is not a weakly prime, because it can be changed into another prime (12083938403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6041969204 + 6041969205.

It is an arithmetic number, because the mean of its divisors is an integer number (6041969205).

Almost surely, 2^12083938409 is an apocalyptic number.

It is an amenable number.

12083938409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12083938409 is an equidigital number, since it uses as much as digits as its factorization.

12083938409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 12083938409 in words is "twelve billion, eighty-three million, nine hundred thirty-eight thousand, four hundred nine".