611223044629 has 2 divisors, whose sum is σ = 611223044630. Its totient is φ = 611223044628.

The previous prime is 611223044623. The next prime is 611223044669. The reversal of 611223044629 is 926440322116.

It is a happy number.

611223044629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (611223044669) can be obtained adding 611223044629 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583088014404 + 28135030225 = 763602^2 + 167735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611223044629 is a prime.

It is a super-2 number, since 2×611223044629² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 611223044591 and 611223044600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611223044623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305611522314 + 305611522315.

It is an arithmetic number, because the mean of its divisors is an integer number (305611522315).

Almost surely, 2^611223044629 is an apocalyptic number.

It is an amenable number.

611223044629 is a deficient number, since it is larger than the sum of its proper divisors (1).

611223044629 is an equidigital number, since it uses as much as digits as its factorization.

611223044629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 611223044629 in words is "six hundred eleven billion, two hundred twenty-three million, forty-four thousand, six hundred twenty-nine".