17481998049 has 8 divisors (see below), whose sum is σ = 23342209920. Its totient is φ = 11638225776.

The previous prime is 17481998047. The next prime is 17481998063. The reversal of 17481998049 is 94089918471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17481998049 - 2¹ = 17481998047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17481997983 and 17481998001.

It is not an unprimeable number, because it can be changed into a prime (17481998047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107417 + ... + 4111670.

It is an arithmetic number, because the mean of its divisors is an integer number (2917776240).

Almost surely, 2^17481998049 is an apocalyptic number.

It is an amenable number.

17481998049 is a deficient number, since it is larger than the sum of its proper divisors (5860211871).

17481998049 is an equidigital number, since it uses as much as digits as its factorization.

17481998049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219799.

The product of its (nonzero) digits is 5225472, while the sum is 60.

The spelling of 17481998049 in words is "seventeen billion, four hundred eighty-one million, nine hundred ninety-eight thousand, forty-nine".