219020029 has 2 divisors, whose sum is σ = 219020030. Its totient is φ = 219020028.

The previous prime is 219019987. The next prime is 219020033. The reversal of 219020029 is 920020912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195720100 + 23299929 = 13990^2 + 4827^2 .

It is a cyclic number.

It is not a de Polignac number, because 219020029 - 2⁷ = 219019901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219019985 and 219020012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219026029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109510014 + 109510015.

It is an arithmetic number, because the mean of its divisors is an integer number (109510015).

Almost surely, 2^219020029 is an apocalyptic number.

It is an amenable number.

219020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

219020029 is an equidigital number, since it uses as much as digits as its factorization.

219020029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 219020029 is about 14799.3252886745. The cubic root of 219020029 is about 602.7833910720.

The spelling of 219020029 in words is "two hundred nineteen million, twenty thousand, twenty-nine".