83842613849 has 8 divisors (see below), whose sum is σ = 84868785000. Its totient is φ = 82818312192.

The previous prime is 83842613839. The next prime is 83842613903. The reversal of 83842613849 is 94831624838.

It can be written as a sum of positive squares in 4 ways, for example, as 5266114624 + 78576499225 = 72568^2 + 280315^2 .

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 83842613849 - 2¹⁶ = 83842548313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83842613794 and 83842613803.

It is not an unprimeable number, because it can be changed into a prime (83842613839) 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, 377024 + ... + 556625.

It is an arithmetic number, because the mean of its divisors is an integer number (10608598125).

Almost surely, 2^83842613849 is an apocalyptic number.

83842613849 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

83842613849 is a deficient number, since it is larger than the sum of its proper divisors (1026171151).

83842613849 is a wasteful number, since it uses less digits than its factorization.

83842613849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934747.

The product of its digits is 7962624, while the sum is 56.

The spelling of 83842613849 in words is "eighty-three billion, eight hundred forty-two million, six hundred thirteen thousand, eight hundred forty-nine".