212083449491 has 8 divisors (see below), whose sum is σ = 215378841024. Its totient is φ = 208812378600.

The previous prime is 212083449451. The next prime is 212083449499. The reversal of 212083449491 is 194944380212.

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 212083449491 - 2²² = 212079255187 is a prime.

It is a super-3 number, since 3×212083449491³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212083449499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062585 + ... + 6097466.

It is an arithmetic number, because the mean of its divisors is an integer number (26922355128).

Almost surely, 2^212083449491 is an apocalyptic number.

212083449491 is a deficient number, since it is larger than the sum of its proper divisors (3295391533).

212083449491 is a wasteful number, since it uses less digits than its factorization.

212083449491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160321.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 212083449491 in words is "two hundred twelve billion, eighty-three million, four hundred forty-nine thousand, four hundred ninety-one".