1013943607339 has 4 divisors (see below), whose sum is σ = 1091939269456. Its totient is φ = 935947945224.

The previous prime is 1013943607333. The next prime is 1013943607349. The reversal of 1013943607339 is 9337063493101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013943607339 - 2⁹ = 1013943606827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013943607292 and 1013943607301.

It is not an unprimeable number, because it can be changed into a prime (1013943607333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38997831039 + ... + 38997831064.

It is an arithmetic number, because the mean of its divisors is an integer number (272984817364).

Almost surely, 2^{1013943607339} is an apocalyptic number.

1013943607339 is a deficient number, since it is larger than the sum of its proper divisors (77995662117).

1013943607339 is an equidigital number, since it uses as much as digits as its factorization.

1013943607339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77995662116.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 1013943607339 in words is "one trillion, thirteen billion, nine hundred forty-three million, six hundred seven thousand, three hundred thirty-nine".