17163428987 has 2 divisors, whose sum is σ = 17163428988. Its totient is φ = 17163428986.

The previous prime is 17163428981. The next prime is 17163428993. The reversal of 17163428987 is 78982436171.

It is a balanced prime because it is at equal distance from previous prime (17163428981) and next prime (17163428993).

It is an emirp because it is prime and its reverse (78982436171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17163428987 - 2²⁴ = 17146651771 is a prime.

It is not a weakly prime, because it can be changed into another prime (17163428981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8581714493 + 8581714494.

It is an arithmetic number, because the mean of its divisors is an integer number (8581714494).

Almost surely, 2^17163428987 is an apocalyptic number.

17163428987 is a deficient number, since it is larger than the sum of its proper divisors (1).

17163428987 is an equidigital number, since it uses as much as digits as its factorization.

17163428987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 56.

The spelling of 17163428987 in words is "seventeen billion, one hundred sixty-three million, four hundred twenty-eight thousand, nine hundred eighty-seven".