616014989 has 2 divisors, whose sum is σ = 616014990. Its totient is φ = 616014988.

The previous prime is 616014967. The next prime is 616014991. The reversal of 616014989 is 989410616.

616014989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358155625 + 257859364 = 18925^2 + 16058^2 .

It is a cyclic number.

It is not a de Polignac number, because 616014989 - 2¹² = 616010893 is a prime.

Together with 616014991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616074989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308007494 + 308007495.

It is an arithmetic number, because the mean of its divisors is an integer number (308007495).

Almost surely, 2^616014989 is an apocalyptic number.

It is an amenable number.

616014989 is a deficient number, since it is larger than the sum of its proper divisors (1).

616014989 is an equidigital number, since it uses as much as digits as its factorization.

616014989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 616014989 is about 24819.6492521550. The cubic root of 616014989 is about 850.8710742674.

The spelling of 616014989 in words is "six hundred sixteen million, fourteen thousand, nine hundred eighty-nine".