868435619 has 2 divisors, whose sum is σ = 868435620. Its totient is φ = 868435618.

The previous prime is 868435597. The next prime is 868435627. The reversal of 868435619 is 916534868.

868435619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868435619 - 2²⁰ = 867387043 is a prime.

It is a super-2 number, since 2×868435619² = 1508360848695826322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (868435019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434217809 + 434217810.

It is an arithmetic number, because the mean of its divisors is an integer number (434217810).

Almost surely, 2^868435619 is an apocalyptic number.

868435619 is a deficient number, since it is larger than the sum of its proper divisors (1).

868435619 is an equidigital number, since it uses as much as digits as its factorization.

868435619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 868435619 is about 29469.2317341325. The cubic root of 868435619 is about 954.0677356397.

The spelling of 868435619 in words is "eight hundred sixty-eight million, four hundred thirty-five thousand, six hundred nineteen".