836041640927819 has 2 divisors, whose sum is σ = 836041640927820. Its totient is φ = 836041640927818.

The previous prime is 836041640927807. The next prime is 836041640927837. The reversal of 836041640927819 is 918729046140638.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-836041640927819 is a prime.

It is a super-2 number, since 2×836041640927819² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (836041640927879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418020820463909 + 418020820463910.

It is an arithmetic number, because the mean of its divisors is an integer number (418020820463910).

Almost surely, 2^{836041640927819} is an apocalyptic number.

836041640927819 is a deficient number, since it is larger than the sum of its proper divisors (1).

836041640927819 is an equidigital number, since it uses as much as digits as its factorization.

836041640927819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 836041640927819 in words is "eight hundred thirty-six trillion, forty-one billion, six hundred forty million, nine hundred twenty-seven thousand, eight hundred nineteen".