83400565237249 has 8 divisors (see below), whose sum is σ = 89816630919680. Its totient is φ = 76984590638736.

The previous prime is 83400565237243. The next prime is 83400565237261. The reversal of 83400565237249 is 94273256500438.

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 83400565237249 - 2²³ = 83400556848641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83400565237193 and 83400565237202.

It is not an unprimeable number, because it can be changed into a prime (83400565237243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20863329 + ... + 24537310.

It is an arithmetic number, because the mean of its divisors is an integer number (11227078864960).

Almost surely, 2^{83400565237249} is an apocalyptic number.

It is an amenable number.

83400565237249 is a deficient number, since it is larger than the sum of its proper divisors (6416065682431).

83400565237249 is a wasteful number, since it uses less digits than its factorization.

83400565237249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45541959.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 83400565237249 in words is "eighty-three trillion, four hundred billion, five hundred sixty-five million, two hundred thirty-seven thousand, two hundred forty-nine".