185020003339 has 2 divisors, whose sum is σ = 185020003340. Its totient is φ = 185020003338.

The previous prime is 185020003297. The next prime is 185020003409. The reversal of 185020003339 is 933300020581.

It is a weak prime.

It is an emirp because it is prime and its reverse (933300020581) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185020003339 is a prime.

It is a super-2 number, since 2×185020003339² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (185020003139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92510001669 + 92510001670.

It is an arithmetic number, because the mean of its divisors is an integer number (92510001670).

Almost surely, 2^185020003339 is an apocalyptic number.

185020003339 is a deficient number, since it is larger than the sum of its proper divisors (1).

185020003339 is an equidigital number, since it uses as much as digits as its factorization.

185020003339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 185020003339 in words is "one hundred eighty-five billion, twenty million, three thousand, three hundred thirty-nine".