83212443619 has 2 divisors, whose sum is σ = 83212443620. Its totient is φ = 83212443618.

The previous prime is 83212443599. The next prime is 83212443647. The reversal of 83212443619 is 91634421238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83212443619 - 2¹⁵ = 83212410851 is a prime.

It is a super-2 number, since 2×83212443619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83212444619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41606221809 + 41606221810.

It is an arithmetic number, because the mean of its divisors is an integer number (41606221810).

Almost surely, 2^83212443619 is an apocalyptic number.

83212443619 is a deficient number, since it is larger than the sum of its proper divisors (1).

83212443619 is an equidigital number, since it uses as much as digits as its factorization.

83212443619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The spelling of 83212443619 in words is "eighty-three billion, two hundred twelve million, four hundred forty-three thousand, six hundred nineteen".