607478574221 has 2 divisors, whose sum is σ = 607478574222. Its totient is φ = 607478574220.

The previous prime is 607478574169. The next prime is 607478574233. The reversal of 607478574221 is 122475874706.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587790555625 + 19688018596 = 766675^2 + 140314^2 .

It is a cyclic number.

It is not a de Polignac number, because 607478574221 - 2²⁶ = 607411465357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607478574281) 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, 303739287110 + 303739287111.

It is an arithmetic number, because the mean of its divisors is an integer number (303739287111).

Almost surely, 2^607478574221 is an apocalyptic number.

It is an amenable number.

607478574221 is a deficient number, since it is larger than the sum of its proper divisors (1).

607478574221 is an equidigital number, since it uses as much as digits as its factorization.

607478574221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 607478574221 in words is "six hundred seven billion, four hundred seventy-eight million, five hundred seventy-four thousand, two hundred twenty-one".