616834693 has 2 divisors, whose sum is σ = 616834694. Its totient is φ = 616834692.

The previous prime is 616834679. The next prime is 616834697. The reversal of 616834693 is 396438616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436684609 + 180150084 = 20897^2 + 13422^2 .

It is a cyclic number.

It is not a de Polignac number, because 616834693 - 2¹³ = 616826501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616834697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308417346 + 308417347.

It is an arithmetic number, because the mean of its divisors is an integer number (308417347).

Almost surely, 2^616834693 is an apocalyptic number.

It is an amenable number.

616834693 is a deficient number, since it is larger than the sum of its proper divisors (1).

616834693 is an equidigital number, since it uses as much as digits as its factorization.

616834693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 616834693 is about 24836.1569692253. The cubic root of 616834693 is about 851.2483125398.

The spelling of 616834693 in words is "six hundred sixteen million, eight hundred thirty-four thousand, six hundred ninety-three".