17153742847 has 2 divisors, whose sum is σ = 17153742848. Its totient is φ = 17153742846.

The previous prime is 17153742803. The next prime is 17153742857. The reversal of 17153742847 is 74824735171.

It is a strong prime.

It is an emirp because it is prime and its reverse (74824735171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17153742847 - 2³¹ = 15006259199 is a prime.

It is a super-2 number, since 2×17153742847² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17153742847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17153742857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8576871423 + 8576871424.

It is an arithmetic number, because the mean of its divisors is an integer number (8576871424).

Almost surely, 2^17153742847 is an apocalyptic number.

17153742847 is a deficient number, since it is larger than the sum of its proper divisors (1).

17153742847 is an equidigital number, since it uses as much as digits as its factorization.

17153742847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 49.

The spelling of 17153742847 in words is "seventeen billion, one hundred fifty-three million, seven hundred forty-two thousand, eight hundred forty-seven".