83245340284421 has 16 divisors (see below), whose sum is σ = 101375474098176. Its totient is φ = 66728160135936.

The previous prime is 83245340284409. The next prime is 83245340284459. The reversal of 83245340284421 is 12448204354238.

It is a cyclic number.

It is not a de Polignac number, because 83245340284421 - 2³⁰ = 83244266542597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83245340284421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83245340289421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227817861 + ... + 2227855226.

It is an arithmetic number, because the mean of its divisors is an integer number (6335967131136).

Almost surely, 2^{83245340284421} is an apocalyptic number.

It is an amenable number.

83245340284421 is a deficient number, since it is larger than the sum of its proper divisors (18130133813755).

83245340284421 is a wasteful number, since it uses less digits than its factorization.

83245340284421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455673268.

The product of its (nonzero) digits is 5898240, while the sum is 50.

The spelling of 83245340284421 in words is "eighty-three trillion, two hundred forty-five billion, three hundred forty million, two hundred eighty-four thousand, four hundred twenty-one".