147834891641 has 2 divisors, whose sum is σ = 147834891642. Its totient is φ = 147834891640.

The previous prime is 147834891637. The next prime is 147834891643. The reversal of 147834891641 is 146198438741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106298821225 + 41536070416 = 326035^2 + 203804^2 .

It is a cyclic number.

It is not a de Polignac number, because 147834891641 - 2² = 147834891637 is a prime.

Together with 147834891643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147834891643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73917445820 + 73917445821.

It is an arithmetic number, because the mean of its divisors is an integer number (73917445821).

Almost surely, 2^147834891641 is an apocalyptic number.

It is an amenable number.

147834891641 is a deficient number, since it is larger than the sum of its proper divisors (1).

147834891641 is an equidigital number, since it uses as much as digits as its factorization.

147834891641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 56.

The spelling of 147834891641 in words is "one hundred forty-seven billion, eight hundred thirty-four million, eight hundred ninety-one thousand, six hundred forty-one".