19340085311 has 2 divisors, whose sum is σ = 19340085312. Its totient is φ = 19340085310.

The previous prime is 19340085307. The next prime is 19340085341. The reversal of 19340085311 is 11358004391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19340085311 - 2² = 19340085307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19340085341) 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, 9670042655 + 9670042656.

It is an arithmetic number, because the mean of its divisors is an integer number (9670042656).

Almost surely, 2^19340085311 is an apocalyptic number.

19340085311 is a deficient number, since it is larger than the sum of its proper divisors (1).

19340085311 is an equidigital number, since it uses as much as digits as its factorization.

19340085311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 19340085311 in words is "nineteen billion, three hundred forty million, eighty-five thousand, three hundred eleven".