12350443639 has 2 divisors, whose sum is σ = 12350443640. Its totient is φ = 12350443638.

The previous prime is 12350443621. The next prime is 12350443661. The reversal of 12350443639 is 93634405321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12350443639 - 2¹⁵ = 12350410871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12350423639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175221819 + 6175221820.

It is an arithmetic number, because the mean of its divisors is an integer number (6175221820).

Almost surely, 2^12350443639 is an apocalyptic number.

12350443639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12350443639 is an equidigital number, since it uses as much as digits as its factorization.

12350443639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 12350443639 in words is "twelve billion, three hundred fifty million, four hundred forty-three thousand, six hundred thirty-nine".