611348215273 has 2 divisors, whose sum is σ = 611348215274. Its totient is φ = 611348215272.

The previous prime is 611348215259. The next prime is 611348215391. The reversal of 611348215273 is 372512843116.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425244843664 + 186103371609 = 652108^2 + 431397^2 .

It is a cyclic number.

It is not a de Polignac number, because 611348215273 - 2⁵ = 611348215241 is a prime.

It is not a weakly prime, because it can be changed into another prime (611348215243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305674107636 + 305674107637.

It is an arithmetic number, because the mean of its divisors is an integer number (305674107637).

Almost surely, 2^611348215273 is an apocalyptic number.

It is an amenable number.

611348215273 is a deficient number, since it is larger than the sum of its proper divisors (1).

611348215273 is an equidigital number, since it uses as much as digits as its factorization.

611348215273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The spelling of 611348215273 in words is "six hundred eleven billion, three hundred forty-eight million, two hundred fifteen thousand, two hundred seventy-three".