68203019 has 2 divisors, whose sum is σ = 68203020. Its totient is φ = 68203018.

The previous prime is 68202973. The next prime is 68203021. The reversal of 68203019 is 91030286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68203019 - 2¹⁶ = 68137483 is a prime.

It is a super-2 number, since 2×68203019² = 9303303601428722, which contains 22 as substring.

Together with 68203021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68202982 and 68203000.

It is not a weakly prime, because it can be changed into another prime (68203039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34101509 + 34101510.

It is an arithmetic number, because the mean of its divisors is an integer number (34101510).

Almost surely, 2^68203019 is an apocalyptic number.

68203019 is a deficient number, since it is larger than the sum of its proper divisors (1).

68203019 is an equidigital number, since it uses as much as digits as its factorization.

68203019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 68203019 is about 8258.5119119609. The cubic root of 68203019 is about 408.5713093258.

The spelling of 68203019 in words is "sixty-eight million, two hundred three thousand, nineteen".