616934531819 has 2 divisors, whose sum is σ = 616934531820. Its totient is φ = 616934531818.

The previous prime is 616934531783. The next prime is 616934531849. The reversal of 616934531819 is 918135439616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616934531819 - 2¹⁶ = 616934466283 is a prime.

It is a super-2 number, since 2×616934531819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616934531849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308467265909 + 308467265910.

It is an arithmetic number, because the mean of its divisors is an integer number (308467265910).

Almost surely, 2^616934531819 is an apocalyptic number.

616934531819 is a deficient number, since it is larger than the sum of its proper divisors (1).

616934531819 is an equidigital number, since it uses as much as digits as its factorization.

616934531819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 56.

The spelling of 616934531819 in words is "six hundred sixteen billion, nine hundred thirty-four million, five hundred thirty-one thousand, eight hundred nineteen".