83403722730439 has 8 divisors (see below), whose sum is σ = 85181630401728. Its totient is φ = 81625955075040.

The previous prime is 83403722730431. The next prime is 83403722730457. The reversal of 83403722730439 is 93403722730438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83403722730439 - 2³ = 83403722730431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83403722730439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83403722730431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33799492 + ... + 36183049.

It is an arithmetic number, because the mean of its divisors is an integer number (10647703800216).

Almost surely, 2^{83403722730439} is an apocalyptic number.

83403722730439 is a deficient number, since it is larger than the sum of its proper divisors (1777907671289).

83403722730439 is a wasteful number, since it uses less digits than its factorization.

83403722730439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70007945.

The product of its (nonzero) digits is 18289152, while the sum is 55.

Subtracting 83403722730439 from its reverse (93403722730438), we obtain a palindrome (9999999999999).

The spelling of 83403722730439 in words is "eighty-three trillion, four hundred three billion, seven hundred twenty-two million, seven hundred thirty thousand, four hundred thirty-nine".