604374217261 has 2 divisors, whose sum is σ = 604374217262. Its totient is φ = 604374217260.

The previous prime is 604374217219. The next prime is 604374217277. The reversal of 604374217261 is 162712473406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307948414761 + 296425802500 = 554931^2 + 544450^2 .

It is a cyclic number.

It is not a de Polignac number, because 604374217261 - 2⁷ = 604374217133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604374217561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302187108630 + 302187108631.

It is an arithmetic number, because the mean of its divisors is an integer number (302187108631).

Almost surely, 2^604374217261 is an apocalyptic number.

It is an amenable number.

604374217261 is a deficient number, since it is larger than the sum of its proper divisors (1).

604374217261 is an equidigital number, since it uses as much as digits as its factorization.

604374217261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 604374217261 in words is "six hundred four billion, three hundred seventy-four million, two hundred seventeen thousand, two hundred sixty-one".