611610814249 has 2 divisors, whose sum is σ = 611610814250. Its totient is φ = 611610814248.

The previous prime is 611610814237. The next prime is 611610814271. The reversal of 611610814249 is 942418016116.

611610814249 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 can be written as a sum of positive squares in only one way, i.e., 611378556649 + 232257600 = 781907^2 + 15240^2 .

It is a cyclic number.

It is not a de Polignac number, because 611610814249 - 2³⁷ = 474171860777 is a prime.

It is not a weakly prime, because it can be changed into another prime (611610814219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305805407124 + 305805407125.

It is an arithmetic number, because the mean of its divisors is an integer number (305805407125).

Almost surely, 2^611610814249 is an apocalyptic number.

It is an amenable number.

611610814249 is a deficient number, since it is larger than the sum of its proper divisors (1).

611610814249 is an equidigital number, since it uses as much as digits as its factorization.

611610814249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 611610814249 in words is "six hundred eleven billion, six hundred ten million, eight hundred fourteen thousand, two hundred forty-nine".