106208191493 has 2 divisors, whose sum is σ = 106208191494. Its totient is φ = 106208191492.

The previous prime is 106208191469. The next prime is 106208191519. The reversal of 106208191493 is 394191802601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105389831044 + 818360449 = 324638^2 + 28607^2 .

It is a cyclic number.

It is not a de Polignac number, because 106208191493 - 2¹⁰ = 106208190469 is a prime.

It is a super-2 number, since 2×106208191493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106208190493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53104095746 + 53104095747.

It is an arithmetic number, because the mean of its divisors is an integer number (53104095747).

Almost surely, 2^106208191493 is an apocalyptic number.

It is an amenable number.

106208191493 is a deficient number, since it is larger than the sum of its proper divisors (1).

106208191493 is an equidigital number, since it uses as much as digits as its factorization.

106208191493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 106208191493 in words is "one hundred six billion, two hundred eight million, one hundred ninety-one thousand, four hundred ninety-three".