147317669 has 2 divisors, whose sum is σ = 147317670. Its totient is φ = 147317668.

The previous prime is 147317663. The next prime is 147317671. The reversal of 147317669 is 966713741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146724769 + 592900 = 12113^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 147317669 - 2²⁴ = 130540453 is a prime.

It is a super-2 number, since 2×147317669² = 43404991199187122, which contains 22 as substring.

Together with 147317671, 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 (147317663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73658834 + 73658835.

It is an arithmetic number, because the mean of its divisors is an integer number (73658835).

Almost surely, 2^147317669 is an apocalyptic number.

It is an amenable number.

147317669 is a deficient number, since it is larger than the sum of its proper divisors (1).

147317669 is an equidigital number, since it uses as much as digits as its factorization.

147317669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 147317669 is about 12137.4490318188. The cubic root of 147317669 is about 528.1431030943.

The spelling of 147317669 in words is "one hundred forty-seven million, three hundred seventeen thousand, six hundred sixty-nine".