1023269005439 has 2 divisors, whose sum is σ = 1023269005440. Its totient is φ = 1023269005438.

The previous prime is 1023269005427. The next prime is 1023269005523. The reversal of 1023269005439 is 9345009623201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023269005439 - 2¹² = 1023269001343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023269005439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023269005739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511634502719 + 511634502720.

It is an arithmetic number, because the mean of its divisors is an integer number (511634502720).

Almost surely, 2^{1023269005439} is an apocalyptic number.

1023269005439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023269005439 is an equidigital number, since it uses as much as digits as its factorization.

1023269005439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 1023269005439 in words is "one trillion, twenty-three billion, two hundred sixty-nine million, five thousand, four hundred thirty-nine".