610683949 has 2 divisors, whose sum is σ = 610683950. Its totient is φ = 610683948.

The previous prime is 610683937. The next prime is 610683991. The reversal of 610683949 is 949386016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609596100 + 1087849 = 24690^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 610683949 - 2¹⁹ = 610159661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 610683899 and 610683908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610683919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305341974 + 305341975.

It is an arithmetic number, because the mean of its divisors is an integer number (305341975).

Almost surely, 2^610683949 is an apocalyptic number.

It is an amenable number.

610683949 is a deficient number, since it is larger than the sum of its proper divisors (1).

610683949 is an equidigital number, since it uses as much as digits as its factorization.

610683949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 610683949 is about 24712.0203342422. The cubic root of 610683949 is about 848.4094588141.

The spelling of 610683949 in words is "six hundred ten million, six hundred eighty-three thousand, nine hundred forty-nine".