853231619 has 2 divisors, whose sum is σ = 853231620. Its totient is φ = 853231618.

The previous prime is 853231601. The next prime is 853231661. The reversal of 853231619 is 916132358.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853231619 is a prime.

It is a super-2 number, since 2×853231619² = 1456008391322722322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (853231019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426615809 + 426615810.

It is an arithmetic number, because the mean of its divisors is an integer number (426615810).

Almost surely, 2^853231619 is an apocalyptic number.

853231619 is a deficient number, since it is larger than the sum of its proper divisors (1).

853231619 is an equidigital number, since it uses as much as digits as its factorization.

853231619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 853231619 is about 29210.1287056391. The cubic root of 853231619 is about 948.4671935508.

The spelling of 853231619 in words is "eight hundred fifty-three million, two hundred thirty-one thousand, six hundred nineteen".