9420208519 has 2 divisors, whose sum is σ = 9420208520. Its totient is φ = 9420208518.

The previous prime is 9420208459. The next prime is 9420208529. The reversal of 9420208519 is 9158020249.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9420208519 is a prime.

It is a super-2 number, since 2×9420208519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420208529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710104259 + 4710104260.

It is an arithmetic number, because the mean of its divisors is an integer number (4710104260).

Almost surely, 2^9420208519 is an apocalyptic number.

9420208519 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420208519 is an equidigital number, since it uses as much as digits as its factorization.

9420208519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 9420208519 is about 97057.7586749251. The cubic root of 9420208519 is about 2111.9655933969.

The spelling of 9420208519 in words is "nine billion, four hundred twenty million, two hundred eight thousand, five hundred nineteen".