674265464592491 has 2 divisors, whose sum is σ = 674265464592492. Its totient is φ = 674265464592490.

The previous prime is 674265464592407. The next prime is 674265464592563. The reversal of 674265464592491 is 194295464562476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674265464592491 - 2³⁸ = 673990586685547 is a prime.

It is a super-3 number, since 3×674265464592491³ (a number of 45 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (674265464592091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337132732296245 + 337132732296246.

It is an arithmetic number, because the mean of its divisors is an integer number (337132732296246).

Almost surely, 2^{674265464592491} is an apocalyptic number.

674265464592491 is a deficient number, since it is larger than the sum of its proper divisors (1).

674265464592491 is an equidigital number, since it uses as much as digits as its factorization.

674265464592491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3135283200, while the sum is 74.

The spelling of 674265464592491 in words is "six hundred seventy-four trillion, two hundred sixty-five billion, four hundred sixty-four million, five hundred ninety-two thousand, four hundred ninety-one".