10219493 has 2 divisors, whose sum is σ = 10219494. Its totient is φ = 10219492.

The previous prime is 10219487. The next prime is 10219507. The reversal of 10219493 is 39491201.

It is a happy number.

10219493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6385729 + 3833764 = 2527^2 + 1958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10219493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10219403) 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 as a sum of consecutive naturals, namely, 5109746 + 5109747.

It is an arithmetic number, because the mean of its divisors is an integer number (5109747).

Almost surely, 2^10219493 is an apocalyptic number.

It is an amenable number.

10219493 is a deficient number, since it is larger than the sum of its proper divisors (1).

10219493 is an equidigital number, since it uses as much as digits as its factorization.

10219493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 10219493 is about 3196.7941754201. The cubic root of 10219493 is about 217.0083526555.

The spelling of 10219493 in words is "ten million, two hundred nineteen thousand, four hundred ninety-three".