616969699 has 2 divisors, whose sum is σ = 616969700. Its totient is φ = 616969698.

The previous prime is 616969679. The next prime is 616969741. The reversal of 616969699 is 996969616.

It is a happy number.

616969699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616969699 - 2¹³ = 616961507 is a prime.

It is not a weakly prime, because it can be changed into another prime (616969679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308484849 + 308484850.

It is an arithmetic number, because the mean of its divisors is an integer number (308484850).

Almost surely, 2^616969699 is an apocalyptic number.

616969699 is a deficient number, since it is larger than the sum of its proper divisors (1).

616969699 is an equidigital number, since it uses as much as digits as its factorization.

616969699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 61.

The square root of 616969699 is about 24838.8747530962. The cubic root of 616969699 is about 851.3104119686.

The spelling of 616969699 in words is "six hundred sixteen million, nine hundred sixty-nine thousand, six hundred ninety-nine".