83426365439 has 8 divisors (see below), whose sum is σ = 85251234432. Its totient is φ = 81621014040.

The previous prime is 83426365427. The next prime is 83426365453. The reversal of 83426365439 is 93456362438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83426365439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83426325439) 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, 4870757 + ... + 4887854.

It is an arithmetic number, because the mean of its divisors is an integer number (10656404304).

Almost surely, 2^83426365439 is an apocalyptic number.

83426365439 is a deficient number, since it is larger than the sum of its proper divisors (1824868993).

83426365439 is a wasteful number, since it uses less digits than its factorization.

83426365439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758797.

The product of its digits is 11197440, while the sum is 53.

The spelling of 83426365439 in words is "eighty-three billion, four hundred twenty-six million, three hundred sixty-five thousand, four hundred thirty-nine".