1010216819 has 2 divisors, whose sum is σ = 1010216820. Its totient is φ = 1010216818.

The previous prime is 1010216803. The next prime is 1010216861. The reversal of 1010216819 is 9186120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010216819 - 2⁴ = 1010216803 is a prime.

It is a super-2 number, since 2×1010216819² = 2041076042780957522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010216791 and 1010216800.

It is not a weakly prime, because it can be changed into another prime (1010216869) 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, 505108409 + 505108410.

It is an arithmetic number, because the mean of its divisors is an integer number (505108410).

Almost surely, 2^1010216819 is an apocalyptic number.

1010216819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010216819 is an equidigital number, since it uses as much as digits as its factorization.

1010216819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1010216819 is about 31783.9081769376. The cubic root of 1010216819 is about 1003.3940735650.

The spelling of 1010216819 in words is "one billion, ten million, two hundred sixteen thousand, eight hundred nineteen".