174291248641 has 2 divisors, whose sum is σ = 174291248642. Its totient is φ = 174291248640.

The previous prime is 174291248639. The next prime is 174291248687. The reversal of 174291248641 is 146842192471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163461724416 + 10829524225 = 404304^2 + 104065^2 .

It is a cyclic number.

It is not a de Polignac number, because 174291248641 - 2¹ = 174291248639 is a prime.

Together with 174291248639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (174291248611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87145624320 + 87145624321.

It is an arithmetic number, because the mean of its divisors is an integer number (87145624321).

Almost surely, 2^174291248641 is an apocalyptic number.

It is an amenable number.

174291248641 is a deficient number, since it is larger than the sum of its proper divisors (1).

174291248641 is an equidigital number, since it uses as much as digits as its factorization.

174291248641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 49.

The spelling of 174291248641 in words is "one hundred seventy-four billion, two hundred ninety-one million, two hundred forty-eight thousand, six hundred forty-one".