616305532243 has 2 divisors, whose sum is σ = 616305532244. Its totient is φ = 616305532242.

The previous prime is 616305532237. The next prime is 616305532259. The reversal of 616305532243 is 342235503616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616305532243 - 2²¹ = 616303435091 is a prime.

It is a super-2 number, since 2×616305532243² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616305532196 and 616305532205.

It is not a weakly prime, because it can be changed into another prime (616302532243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308152766121 + 308152766122.

It is an arithmetic number, because the mean of its divisors is an integer number (308152766122).

Almost surely, 2^616305532243 is an apocalyptic number.

616305532243 is a deficient number, since it is larger than the sum of its proper divisors (1).

616305532243 is an equidigital number, since it uses as much as digits as its factorization.

616305532243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 616305532243 in words is "six hundred sixteen billion, three hundred five million, five hundred thirty-two thousand, two hundred forty-three".