147449671709 has 2 divisors, whose sum is σ = 147449671710. Its totient is φ = 147449671708.

The previous prime is 147449671661. The next prime is 147449671711. The reversal of 147449671709 is 907176944741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109877664484 + 37572007225 = 331478^2 + 193835^2 .

It is a cyclic number.

It is not a de Polignac number, because 147449671709 - 2³⁶ = 78730194973 is a prime.

Together with 147449671711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147449671729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73724835854 + 73724835855.

It is an arithmetic number, because the mean of its divisors is an integer number (73724835855).

Almost surely, 2^147449671709 is an apocalyptic number.

It is an amenable number.

147449671709 is a deficient number, since it is larger than the sum of its proper divisors (1).

147449671709 is an equidigital number, since it uses as much as digits as its factorization.

147449671709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 147449671709 in words is "one hundred forty-seven billion, four hundred forty-nine million, six hundred seventy-one thousand, seven hundred nine".