828361019 has 2 divisors, whose sum is σ = 828361020. Its totient is φ = 828361018.

The previous prime is 828360991. The next prime is 828361049. The reversal of 828361019 is 910163828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828361019 - 2¹² = 828356923 is a prime.

It is a super-2 number, since 2×828361019² = 1372363955597436722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (828361049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414180509 + 414180510.

It is an arithmetic number, because the mean of its divisors is an integer number (414180510).

Almost surely, 2^828361019 is an apocalyptic number.

828361019 is a deficient number, since it is larger than the sum of its proper divisors (1).

828361019 is an equidigital number, since it uses as much as digits as its factorization.

828361019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 828361019 is about 28781.2615950031. The cubic root of 828361019 is about 939.1606431436.

The spelling of 828361019 in words is "eight hundred twenty-eight million, three hundred sixty-one thousand, nineteen".