674475540461 has 2 divisors, whose sum is σ = 674475540462. Its totient is φ = 674475540460.

The previous prime is 674475540419. The next prime is 674475540491. The reversal of 674475540461 is 164045574476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386529541225 + 287945999236 = 621715^2 + 536606^2 .

It is a cyclic number.

It is not a de Polignac number, because 674475540461 - 2³⁰ = 673401798637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674475540491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337237770230 + 337237770231.

It is an arithmetic number, because the mean of its divisors is an integer number (337237770231).

Almost surely, 2^674475540461 is an apocalyptic number.

It is an amenable number.

674475540461 is a deficient number, since it is larger than the sum of its proper divisors (1).

674475540461 is an equidigital number, since it uses as much as digits as its factorization.

674475540461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 674475540461 in words is "six hundred seventy-four billion, four hundred seventy-five million, five hundred forty thousand, four hundred sixty-one".