674265464562541 has 2 divisors, whose sum is σ = 674265464562542. Its totient is φ = 674265464562540.

The previous prime is 674265464562491. The next prime is 674265464562611. The reversal of 674265464562541 is 145265464562476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657953793372100 + 16311671190441 = 25650610^2 + 4038771^2 .

It is a cyclic number.

It is not a de Polignac number, because 674265464562541 - 2²⁷ = 674265330344813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674265464565541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337132732281270 + 337132732281271.

It is an arithmetic number, because the mean of its divisors is an integer number (337132732281271).

Almost surely, 2^{674265464562541} is an apocalyptic number.

It is an amenable number.

674265464562541 is a deficient number, since it is larger than the sum of its proper divisors (1).

674265464562541 is an equidigital number, since it uses as much as digits as its factorization.

674265464562541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216000, while the sum is 67.

The spelling of 674265464562541 in words is "six hundred seventy-four trillion, two hundred sixty-five billion, four hundred sixty-four million, five hundred sixty-two thousand, five hundred forty-one".