1239113854829 has 2 divisors, whose sum is σ = 1239113854830. Its totient is φ = 1239113854828.

The previous prime is 1239113854751. The next prime is 1239113854831. The reversal of 1239113854829 is 9284583119321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848751310729 + 390362544100 = 921277^2 + 624790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1239113854829 is a prime.

Together with 1239113854831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1239113854859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619556927414 + 619556927415.

It is an arithmetic number, because the mean of its divisors is an integer number (619556927415).

Almost surely, 2^{1239113854829} is an apocalyptic number.

It is an amenable number.

1239113854829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1239113854829 is an equidigital number, since it uses as much as digits as its factorization.

1239113854829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 56.

The spelling of 1239113854829 in words is "one trillion, two hundred thirty-nine billion, one hundred thirteen million, eight hundred fifty-four thousand, eight hundred twenty-nine".