17481912899 has 12 divisors (see below), whose sum is σ = 19299598080. Its totient is φ = 15823222800.

The previous prime is 17481912893. The next prime is 17481912911. The reversal of 17481912899 is 99821918471.

It is a de Polignac number, because none of the positive numbers 2^k-17481912899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17481912893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287747 + ... + 343164.

It is an arithmetic number, because the mean of its divisors is an integer number (1608299840).

Almost surely, 2^17481912899 is an apocalyptic number.

17481912899 is a deficient number, since it is larger than the sum of its proper divisors (1817685181).

17481912899 is a wasteful number, since it uses less digits than its factorization.

17481912899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631162 (or 631151 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 59.

The spelling of 17481912899 in words is "seventeen billion, four hundred eighty-one million, nine hundred twelve thousand, eight hundred ninety-nine".