993820230919 has 2 divisors, whose sum is σ = 993820230920. Its totient is φ = 993820230918.

The previous prime is 993820230889. The next prime is 993820230929. The reversal of 993820230919 is 919032028399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 993820230919 - 2¹³ = 993820222727 is a prime.

It is a super-2 number, since 2×993820230919² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 993820230919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993820230929) 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, 496910115459 + 496910115460.

It is an arithmetic number, because the mean of its divisors is an integer number (496910115460).

Almost surely, 2^993820230919 is an apocalyptic number.

993820230919 is a deficient number, since it is larger than the sum of its proper divisors (1).

993820230919 is an equidigital number, since it uses as much as digits as its factorization.

993820230919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The spelling of 993820230919 in words is "nine hundred ninety-three billion, eight hundred twenty million, two hundred thirty thousand, nine hundred nineteen".