19630069 has 2 divisors, whose sum is σ = 19630070. Its totient is φ = 19630068.

The previous prime is 19630043. The next prime is 19630123. The reversal of 19630069 is 96003691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 9229444 = 3225^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 19630069 - 2⁷ = 19629941 is a prime.

It is a super-2 number, since 2×19630069² = 770679217889522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19630469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9815034 + 9815035.

It is an arithmetic number, because the mean of its divisors is an integer number (9815035).

Almost surely, 2^19630069 is an apocalyptic number.

It is an amenable number.

19630069 is a deficient number, since it is larger than the sum of its proper divisors (1).

19630069 is an equidigital number, since it uses as much as digits as its factorization.

19630069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 19630069 is about 4430.5833701670. The cubic root of 19630069 is about 269.7577571198.

The spelling of 19630069 in words is "nineteen million, six hundred thirty thousand, sixty-nine".