12004008949 has 2 divisors, whose sum is σ = 12004008950. Its totient is φ = 12004008948.

The previous prime is 12004008899. The next prime is 12004008953. The reversal of 12004008949 is 94980040021.

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., 11502562500 + 501446449 = 107250^2 + 22393^2 .

It is a cyclic number.

It is not a de Polignac number, because 12004008949 - 2⁹ = 12004008437 is a prime.

It is a super-3 number, since 3×12004008949³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12004008749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002004474 + 6002004475.

It is an arithmetic number, because the mean of its divisors is an integer number (6002004475).

Almost surely, 2^12004008949 is an apocalyptic number.

It is an amenable number.

12004008949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004008949 is an equidigital number, since it uses as much as digits as its factorization.

12004008949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12004008949 in words is "twelve billion, four million, eight thousand, nine hundred forty-nine".