19085039 has 2 divisors, whose sum is σ = 19085040. Its totient is φ = 19085038.

The previous prime is 19085029. The next prime is 19085083. The reversal of 19085039 is 93058091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19085039 - 2⁸ = 19084783 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19085029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9542519 + 9542520.

It is an arithmetic number, because the mean of its divisors is an integer number (9542520).

Almost surely, 2^19085039 is an apocalyptic number.

19085039 is a deficient number, since it is larger than the sum of its proper divisors (1).

19085039 is an equidigital number, since it uses as much as digits as its factorization.

19085039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 19085039 is about 4368.6426953918. The cubic root of 19085039 is about 267.2376745301.

The spelling of 19085039 in words is "nineteen million, eighty-five thousand, thirty-nine".