616470329 has 2 divisors, whose sum is σ = 616470330. Its totient is φ = 616470328.

The previous prime is 616470287. The next prime is 616470373. The reversal of 616470329 is 923074616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 505125625 + 111344704 = 22475^2 + 10552^2 .

It is a cyclic number.

It is not a de Polignac number, because 616470329 - 2⁸ = 616470073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616470292 and 616470301.

It is not a weakly prime, because it can be changed into another prime (616470229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308235164 + 308235165.

It is an arithmetic number, because the mean of its divisors is an integer number (308235165).

Almost surely, 2^616470329 is an apocalyptic number.

It is an amenable number.

616470329 is a deficient number, since it is larger than the sum of its proper divisors (1).

616470329 is an equidigital number, since it uses as much as digits as its factorization.

616470329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 616470329 is about 24828.8205317933. The cubic root of 616470329 is about 851.0806688502.

The spelling of 616470329 in words is "six hundred sixteen million, four hundred seventy thousand, three hundred twenty-nine".