1028935819 has 2 divisors, whose sum is σ = 1028935820. Its totient is φ = 1028935818.

The previous prime is 1028935801. The next prime is 1028935841. The reversal of 1028935819 is 9185398201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028935819 - 2⁹ = 1028935307 is a prime.

It is a super-2 number, since 2×1028935819² = 2117417839242401522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1028935619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514467909 + 514467910.

It is an arithmetic number, because the mean of its divisors is an integer number (514467910).

Almost surely, 2^1028935819 is an apocalyptic number.

1028935819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028935819 is an equidigital number, since it uses as much as digits as its factorization.

1028935819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 1028935819 is about 32077.0294603475. The cubic root of 1028935819 is about 1009.5537089784.

The spelling of 1028935819 in words is "one billion, twenty-eight million, nine hundred thirty-five thousand, eight hundred nineteen".