1439719142429 has 2 divisors, whose sum is σ = 1439719142430. Its totient is φ = 1439719142428.

The previous prime is 1439719142383. The next prime is 1439719142431. The reversal of 1439719142429 is 9242419179341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1263758188900 + 175960953529 = 1124170^2 + 419477^2 .

It is an emirp because it is prime and its reverse (9242419179341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1439719142429 is a prime.

Together with 1439719142431, 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 (1439419142429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719859571214 + 719859571215.

It is an arithmetic number, because the mean of its divisors is an integer number (719859571215).

Almost surely, 2^{1439719142429} is an apocalyptic number.

It is an amenable number.

1439719142429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1439719142429 is an equidigital number, since it uses as much as digits as its factorization.

1439719142429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The spelling of 1439719142429 in words is "one trillion, four hundred thirty-nine billion, seven hundred nineteen million, one hundred forty-two thousand, four hundred twenty-nine".