616412506243 has 2 divisors, whose sum is σ = 616412506244. Its totient is φ = 616412506242.

The previous prime is 616412506207. The next prime is 616412506271. The reversal of 616412506243 is 342605214616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616412506243 - 2¹⁷ = 616412375171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616412506196 and 616412506205.

It is not a weakly prime, because it can be changed into another prime (616412566243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308206253121 + 308206253122.

It is an arithmetic number, because the mean of its divisors is an integer number (308206253122).

Almost surely, 2^616412506243 is an apocalyptic number.

616412506243 is a deficient number, since it is larger than the sum of its proper divisors (1).

616412506243 is an equidigital number, since it uses as much as digits as its factorization.

616412506243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 616412506243 in words is "six hundred sixteen billion, four hundred twelve million, five hundred six thousand, two hundred forty-three".