616190497493 has 2 divisors, whose sum is σ = 616190497494. Its totient is φ = 616190497492.

The previous prime is 616190497367. The next prime is 616190497519. The reversal of 616190497493 is 394794091616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355838496484 + 260352001009 = 596522^2 + 510247^2 .

It is a cyclic number.

It is not a de Polignac number, because 616190497493 - 2¹⁰ = 616190496469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616190497193) 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, 308095248746 + 308095248747.

It is an arithmetic number, because the mean of its divisors is an integer number (308095248747).

Almost surely, 2^616190497493 is an apocalyptic number.

It is an amenable number.

616190497493 is a deficient number, since it is larger than the sum of its proper divisors (1).

616190497493 is an equidigital number, since it uses as much as digits as its factorization.

616190497493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 616190497493 in words is "six hundred sixteen billion, one hundred ninety million, four hundred ninety-seven thousand, four hundred ninety-three".