219830629 has 2 divisors, whose sum is σ = 219830630. Its totient is φ = 219830628.

The previous prime is 219830603. The next prime is 219830647. The reversal of 219830629 is 926038912.

It is a happy number.

219830629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125216100 + 94614529 = 11190^2 + 9727^2 .

It is a cyclic number.

It is not a de Polignac number, because 219830629 - 2¹³ = 219822437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 219830591 and 219830600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219830329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109915314 + 109915315.

It is an arithmetic number, because the mean of its divisors is an integer number (109915315).

Almost surely, 2^219830629 is an apocalyptic number.

It is an amenable number.

219830629 is a deficient number, since it is larger than the sum of its proper divisors (1).

219830629 is an equidigital number, since it uses as much as digits as its factorization.

219830629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 219830629 is about 14826.6863796332. The cubic root of 219830629 is about 603.5261156237.

The spelling of 219830629 in words is "two hundred nineteen million, eight hundred thirty thousand, six hundred twenty-nine".