86021190019 has 2 divisors, whose sum is σ = 86021190020. Its totient is φ = 86021190018.

The previous prime is 86021190011. The next prime is 86021190041. The reversal of 86021190019 is 91009112068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86021190019 - 2³ = 86021190011 is a prime.

It is a super-2 number, since 2×86021190019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86021190019.

It is not a weakly prime, because it can be changed into another prime (86021190011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43010595009 + 43010595010.

It is an arithmetic number, because the mean of its divisors is an integer number (43010595010).

Almost surely, 2^86021190019 is an apocalyptic number.

86021190019 is a deficient number, since it is larger than the sum of its proper divisors (1).

86021190019 is an equidigital number, since it uses as much as digits as its factorization.

86021190019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 86021190019 in words is "eighty-six billion, twenty-one million, one hundred ninety thousand, nineteen".