12839300381 has 2 divisors, whose sum is σ = 12839300382. Its totient is φ = 12839300380.

The previous prime is 12839300333. The next prime is 12839300387. The reversal of 12839300381 is 18300393821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7616925625 + 5222374756 = 87275^2 + 72266^2 .

It is a cyclic number.

It is not a de Polignac number, because 12839300381 - 2¹⁸ = 12839038237 is a prime.

It is a super-2 number, since 2×12839300381² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12839300387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419650190 + 6419650191.

It is an arithmetic number, because the mean of its divisors is an integer number (6419650191).

Almost surely, 2^12839300381 is an apocalyptic number.

It is an amenable number.

12839300381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839300381 is an equidigital number, since it uses as much as digits as its factorization.

12839300381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 12839300381 in words is "twelve billion, eight hundred thirty-nine million, three hundred thousand, three hundred eighty-one".