83440352249 has 8 divisors (see below), whose sum is σ = 84311461920. Its totient is φ = 82569465216.

The previous prime is 83440352207. The next prime is 83440352251. The reversal of 83440352249 is 94225304438.

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-83440352249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83440352299) 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, 759782 + ... + 862640.

It is an arithmetic number, because the mean of its divisors is an integer number (10538932740).

Almost surely, 2^83440352249 is an apocalyptic number.

It is an amenable number.

83440352249 is a deficient number, since it is larger than the sum of its proper divisors (871109671).

83440352249 is a wasteful number, since it uses less digits than its factorization.

83440352249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111319.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 83440352249 in words is "eighty-three billion, four hundred forty million, three hundred fifty-two thousand, two hundred forty-nine".