243327232920619 has 2 divisors, whose sum is σ = 243327232920620. Its totient is φ = 243327232920618.

The previous prime is 243327232920509. The next prime is 243327232920659. The reversal of 243327232920619 is 916029232723342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243327232920619 - 2¹³ = 243327232912427 is a prime.

It is a super-2 number, since 2×243327232920619² (a number of 30 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 243327232920619.

It is not a weakly prime, because it can be changed into another prime (243327232920659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121663616460309 + 121663616460310.

It is an arithmetic number, because the mean of its divisors is an integer number (121663616460310).

Almost surely, 2^{243327232920619} is an apocalyptic number.

243327232920619 is a deficient number, since it is larger than the sum of its proper divisors (1).

243327232920619 is an equidigital number, since it uses as much as digits as its factorization.

243327232920619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 243327232920619 in words is "two hundred forty-three trillion, three hundred twenty-seven billion, two hundred thirty-two million, nine hundred twenty thousand, six hundred nineteen".