17073117947 has 2 divisors, whose sum is σ = 17073117948. Its totient is φ = 17073117946.

The previous prime is 17073117931. The next prime is 17073117989. The reversal of 17073117947 is 74971137071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17073117947 - 2⁴ = 17073117931 is a prime.

It is not a weakly prime, because it can be changed into another prime (17073113947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8536558973 + 8536558974.

It is an arithmetic number, because the mean of its divisors is an integer number (8536558974).

Almost surely, 2^17073117947 is an apocalyptic number.

17073117947 is a deficient number, since it is larger than the sum of its proper divisors (1).

17073117947 is an equidigital number, since it uses as much as digits as its factorization.

17073117947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259308, while the sum is 47.

The spelling of 17073117947 in words is "seventeen billion, seventy-three million, one hundred seventeen thousand, nine hundred forty-seven".