18586010939 has 2 divisors, whose sum is σ = 18586010940. Its totient is φ = 18586010938.

The previous prime is 18586010929. The next prime is 18586011019. The reversal of 18586010939 is 93901068581.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93901068581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18586010939 - 2¹² = 18586006843 is a prime.

It is not a weakly prime, because it can be changed into another prime (18586010929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9293005469 + 9293005470.

It is an arithmetic number, because the mean of its divisors is an integer number (9293005470).

Almost surely, 2^18586010939 is an apocalyptic number.

18586010939 is a deficient number, since it is larger than the sum of its proper divisors (1).

18586010939 is an equidigital number, since it uses as much as digits as its factorization.

18586010939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 18586010939 in words is "eighteen billion, five hundred eighty-six million, ten thousand, nine hundred thirty-nine".